CORPORATE ASSET BACKED CORP
8-A12B, 1999-05-06
ASSET-BACKED SECURITIES
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<PAGE>   1
       As filed with the Securities and Exchange Commission on May 6, 1999

                                           Registration Statement No.___________

                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                           ---------------------------

                                    FORM 8-A

                FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES
                    PURSUANT TO SECTION 12(b) OR 12(g) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

                        CORPORATE ASSET BACKED CORPORATION
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)

<TABLE>
<S>                                                                        <C>
                       Delaware                                                          16-1057879
       (STATE OF INCORPORATION OR ORGANIZATION)                                       (I.R.S. EMPLOYER
                                                                                     IDENTIFICATION NO.)
          Corporate Asset Backed Corporation
             c/o PaineWebber Incorporated
        1285 Avenue of the Americas, 18th Floor
                  New York, New York
                     212-713-2841                                                           10019
       (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)                                          (ZIP CODE)

         If this form relates to the                                       If this form relates to the
         registration of a class of securities                             registration of a class of securities
         pursuant to Section 12(b) of the                                  pursuant to Section 12(g) of the
         Exchange Act and is effective                                     Exchange Act and is effective
         pursuant to General Instruction                                   pursuant to General Instruction
         A.(c), please check the following                                 A.(d), please check the following
         box. /X/                                                          box. / /
</TABLE>

Securities Act registration statement file numbers to which this form relates:
33-91744

Securities to be registered pursuant to Section 12(b) of the Act:

<TABLE>
<CAPTION>
                   Title of Each Class                                  Name of Each Exchange on Which
                   to be so Registered                                  Each Class is to be Registered
<S>                                                        <C>
Trust Certificates                                         New York Stock Exchange, Inc.
- ------------------------------------------------------------------------------------------------------


- ------------------------------------------------------------------------------------------------------
</TABLE>


Securities to be registered pursuant to Section 12(g) of the Act:

                                      None
- --------------------------------------------------------------------------------

                                (Title of Class)

 
<PAGE>   2
Item 1.           Description of Registrant's Securities to be Registered

                  The description of the securities to be registered that
appears under the captions "Summary;" "Risk Factors;" "The Trust Certificates;"
"Certain Federal Income Tax Considerations;" and "Certain ERISA Considerations"
in the Prospectus Supplement dated May 5, 1999, and "Prospectus Summary;" "The
Certificates;" "Certain Information Regarding the Certificates;" "Certain
Federal Income Tax Considerations;" and "Certain ERISA Considerations" in the
Prospectus dated March 18, 1999 is hereby incorporated by reference in the
answer to this item. The Prospectus and Prospectus Supplement have been filed
with the Securities and Exchange Commission (the "Commission") on May 6, 1999
pursuant to rule 424(b)(5) of the rules and regulations of the Commission under
the Securities Act of 1933.


Item 2.           Exhibits

                  Pursuant to the instructions as to exhibits to Form 8-A, the
following exhibits are included in this filing with the Commission:

1.       The Certificate of Incorporation of the Registrant, as filed as Exhibit
         1 to Form 8-A (Registration Statement No. 001-13444) by the Registrant
         with the Commission on March 18,1999, is incorporated herein by
         reference.

2.       The By-laws, as amended, of the Registrant, as filed as Exhibit 2 to
         Form 8-A (Registration Statement No. 001-13444) by the Registrant with
         the Commission on March 18,1999, is incorporated herein by reference.

3.       Form of Series Trust Agreement between the Registrant and United States
         Trust Company of New York, as trustee.

4.       Specimen Trust Certificate.

                                       

      
<PAGE>   3
                                   SIGNATURES

                  Pursuant to the requirements of Section 12 of the Securities
Exchange Act of 1934, the Registrant has duly caused this registration statement
to be signed on its behalf by the undersigned, thereunto duly authorized.



                                   CORPORATE ASSET BACKED CORPORATION


                                   By:    /s/  Thomas C. Naratil
                                   Name:  Thomas C. Naratil
                                   Title: President, Chief Executive Officer and
                                          Executive Vice President


Dated: May 6, 1999


<PAGE>   1
                                                                       EXHIBIT 3

                                                                           DRAFT


================================================================================


                      AMENDED AND RESTATED TRUST AGREEMENT




                                     between


                       CORPORATE ASSET BACKED CORPORATION,
                                  as Depositor,



                                       and



                    UNITED STATES TRUST COMPANY OF NEW YORK,
                                   as Trustee



                        for Trust Certificates issued by
                      CABCO Trust for BellSouth Debentures



================================================================================
<PAGE>   2
                                 CABCO TRUST FOR

                              BELLSOUTH DEBENTURES

                      AMENDED AND RESTATED TRUST AGREEMENT


                  This Amended and Restated Trust Agreement (this "Series Trust
Agreement"), dated as of May 12, 1999, between Corporate Asset Backed
Corporation, as Depositor, and United States Trust Company of New York, as
Trustee, for $45,000,000 Trust Certificates for BellSouth Debentures (the
"Certificates"), incorporates by reference the Standard Terms and Provisions of
Series Trust Agreement (the "Standard Terms") attached as Exhibit B hereto, and
is governed by the Standard Terms as fully as if set forth herein at length.
This Series Trust Agreement amends and restates in its entirety the Initial
Trust Agreement (the "Initial Trust Agreement"), dated as of May 5, 1999,
between the Depositor and the Trustee, as trustee. All capitalized terms not
defined herein shall have the same meaning as set forth in the Standard Terms.

                              W I T N E S S E T H:

                  Section 1. A Trust is hereby created under the laws of the
State of New York and in the manner specified in Article II of the Standard
Terms for the benefit of Holders of the Certificates. The assets of the Trust
shall consist of the securities (referred to herein and in the Standard Terms as
the "Bonds") described in Exhibit A hereto, all distributions thereon after the
date hereof, all right, title and interest in and to such distributions and all
other rights and privileges of the Holders of the Certificates under this Series
Trust Agreement.

                  Section 2. The name of the Trust is CABCO Trust for BellSouth
Debentures.

                  Section 3. The Certificates shall be issued as a single class
in the amount set forth in Exhibit A hereto; shall have the standard terms set
forth in the Standard Terms; and shall have the nonstandard terms set forth in
Exhibit A hereto. Certificates shall be issued in substantially the form of the
Form of Certificate set forth in Exhibit C to this Series Trust Agreement. The
Certificates shall evidence fractional interests in the assets of the Trust,
payable solely from payments received by the Trustee attributable to the Bonds.

                  Section 4. The Depositor hereby authorizes and directs the
Trustee to execute and deliver a letter of representations, in the form
customarily provided to DTC, from the Trustee and the Depositor dated the date
of delivery of the Certificates (the "Letter of Representations").
<PAGE>   3
                  IN WITNESS WHEREOF, the parties hereto have caused this Series
Trust Agreement to be executed by their respective duly authorized officers as
of the date first above written.


                          CORPORATE ASSET BACKED CORPORATION,
                               as Depositor


                          By
                             ------------------------------------------------
                             Name: Thomas C. Naratil
                             Title: President, CEO & Executive Vice President


                          UNITED STATES TRUST COMPANY
                          OF NEW YORK,
                               as Trustee


                          By
                             ------------------------------------------------
                             Name: Thomas Musarra
                             Title: Senior Vice President


- ----------
Exhibit A  --  Description of the Bonds and the Certificates; Description of
               Certain Terms Used in the Agreement
Exhibit B  --  Standard Terms and Provisions of Series Trust Agreement
Exhibit C  --  Form of Certificate
Exhibit D  --  Officer's Certificate of the Trustee


                                       -2-
<PAGE>   4
                                                                       EXHIBIT A
                                                                 TO SERIES TRUST
                                                                       AGREEMENT

          DESCRIPTION OF THE BONDS AND THE CERTIFICATES; DESCRIPTION OF
                       CERTAIN TERMS USED IN THE AGREEMENT

Part I -- Description of the Bonds

Issuer:                    BellSouth Telecommunications, Inc.
Bonds:                     6 3/4% Debentures due October 14, 2033

Dated:                     October 15, 1993
Original Principal
     Maturity Date:        October 15, 2033
Original Par Value
     Amount Issued:        $400,000,000
CUSIP Number:              079867 AJ 6
Stated Interest Rate:      6 3/4%
Interest Payment Dates:    April 15 and October 15
First Call Date:           October 15, 2003
Redemption Price:          The Bonds are redeemable at the option of the
                           Underlying Issuer at any time on or after October 15,
                           2003, in whole or in part from time to time on not
                           less than 30 nor more than 90 days' notice at the
                           following redemption prices (expressed in percentages
                           of the principal amount) during the 12-month period
                           beginning October 15 of each year:


                           2003                           25.8750%
                           2004                           25.8325%
                           2005                           25.7875%
                           2006                           25.7450%
                           2007                           25.7000%
                           2008                           25.6575%
                           2009                           25.6125%
                           2010                           25.5700%
                           2011                           25.5250%
                           2012                           25.4825%
                           2013                           25.4375%
                           2014                           25.3950%
                           2015                           25.3500%
                           2016                           25.3075%


                                       A-1
<PAGE>   5
                           2017                           25.2625%
                           2018                           25.2200%
                           2019                           25.1750%
                           2020                           25.1325%
                           2021                           25.0875%
                           2022                           25.0450%

Mode of Payment
  of Bonds:                By credit to the account of the Holder at DTC.

Record date of Bonds:      April 1 and October 1 of each year.


Event of Default with
  respect to payment
  of interest and
  principal:               An event of default under the indenture exists upon
                           (i) the default in the payment of interest for 90
                           days, or (ii) the default in the payment of principal
                           (or premium, if any) at maturity.

Par Value Amount of
  Bonds Deposited Under
  Series Trust Agreement:  $45,000,000

The Bonds will be held by the Trustee as Book-Entry Credits at DTC.


Part II -- Description of the Certificates

Classes of Certificates:   Pooled Certificates

Aggregate Face Amount
  of Pooled Certificates:  $45,000,000



<TABLE>
<CAPTION>
   Item                                          Aggregate Face    Minimum Offered
  Number          Due Date        CUSIP Number   Amount Offered     Denominations
  ------          --------        ------------   --------------    ---------------
<S>           <C>                 <C>            <C>               <C>
    1         October 15, 2033    126795 20 2     $45,000,000            $25
</TABLE>


Part III -- Definitions of Certain Terms Used in the Agreement


                                       A-2
<PAGE>   6
<TABLE>
<S>                                                <C>
Authorized Denominations (Section 1.01)            $25

Certificate Principal Amount (Section 1.01)        $25

Closing Date (Section 1.01)                        May 12, 1999.

Corporate Trust Office (Section 1.01)              United States Trust Company of New York
                                                   114 West 47th Street
                                                   New York, NY 10036-1532

Depositor Address (Section 9.04)                   Corporate Asset Backed Corporation
                                                   c/o Paine Webber Incorporated
                                                   1285 Avenue of the Americas, 18th Floor
                                                   New York, NY 10019

Distribution Dates (Section 1.01)                  April 15 and October 15 of each year, commencing
                                                   October 15, 1999.

Indenture (Section 1.01)                           Supplemental Indenture, dated 
                                                   as of October 15, 1993, to
                                                   Indenture, dated as of
                                                   October 15, 1993, between
                                                   BellSouth
                                                   Telecommunications, Inc.,
                                                   and AmSouth Bank, National
                                                   Association.

Indenture Trustee (Section 1.01)                   AmSouth Bank, National Association

Trustee Address (Section 9.04)                     United States Trust Company of New York
                                                   114 West 47th Street
                                                   New York, NY 10036-1532

Rating Agency (Section 1.01)                       Each of Moody's Investors Service, Inc. and Standard
                                                   & Poor's Ratings Group

Rating Agency Address (Section 9.04)               Moody's Investors Service, Inc.
                                                   99 Church Street
                                                   New York, NY 10007

                                                   Standard & Poor's Ratings Group
                                                   26 Broadway, 15th Floor
                                                   New York, NY 10004

Retained Amount (Section 1.01)                     Interest accrued on the Bonds from,
                                                   and including, April 15, 1999 to,
                                                   but excluding, the Closing Date, equal to
                                                   $227,812.50.
</TABLE>


                                       A-3
<PAGE>   7
                                                                       EXHIBIT B
                                                                 TO SERIES TRUST
                                                                       AGREEMENT




================================================================================




            STANDARD TERMS AND PROVISIONS OF SERIES TRUST AGREEMENT

                                     between

                       CORPORATE ASSET BACKED CORPORATION,
                                  as Depositor,

                                       and

                                   the Trustee


================================================================================


            Relating to Trust Certificates of the Series identified
                          in the Series Trust Agreement
<PAGE>   8
                 RECONCILIATION AND TIE BETWEEN TRUST INDENTURE
                      ACT OF 1939 AND AGREEMENT PROVISIONS*

  Trust Indenture
    Act Section                                             Agreement Section
  ---------------                                           -----------------
     310(a)(1)     ........................................ 5.01
        (a)(2)     ........................................ 5.01
        (a)(3)     ........................................ Not Applicable
        (a)(4)     ........................................ 5.02
        (b)        ........................................ 5.11, 5.01
        (c)        ........................................ Not Applicable

     311(a)        ........................................ 5.10
        (b)        ........................................ 5.10

     312(a)        ........................................ 6.01, 6.02(a)
        (b)        ........................................ 6.02(b)
        (c)        ........................................ 6.02(c)

     313(a)        ........................................ 6.03
        (b)        ........................................ 6.03
        (c)        ........................................ 6.03
        (d)        ........................................ 6.03

     314(a)        ........................................ 5.09(a), 5.09(b)
        (b)        ........................................ 5.09(c), 5.09(d)
        (c)(1)     ........................................ 5.09(f)
        (c)(2)     ........................................ 5.09(f)
        (c)(3)     ........................................ 5.09(f)
        (d)(1)     ........................................ 5.09(e)
        (d)(2)     ........................................ 5.09(e)
        (d)(3)     ........................................ 5.09(e)
        (e)        ........................................ 5.09(f)

     315(a)        ........................................ 5.08
        (b)        ........................................ 5.02
        (c)        ........................................ 5.02
        (d)        ........................................ 5.08
        (d)(1)     ........................................ 5.08
        (d)(2)     ........................................ 5.08
        (d)(3)     ........................................ 5.08
        (e)        ........................................ 5.13
     316(a)(1)(A)  ........................................ 5.04
     316(a)(1)(B)  ........................................ 5.05
     316(a)(2)     ........................................ Not Applicable
     316(b)        ........................................ 2.08, 4.01
     316(c)        ........................................ 2.08, 2.09
     317(a)        ........................................ 5.03
     317(b)        ........................................ 4.03
     3.18(a)       ........................................ 9.03

*This reconciliation and tie shall not, for any purpose, be deemed to be part of
the within agreement.


                                      B-ii
<PAGE>   9
                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                     Page
                                                                                                     ----
<S>                                                                                                  <C>
ARTICLE I - DEFINITIONS
     Section 1.01.  Certain Definitions..........................................................     B-1

ARTICLE II - CREATION OF TRUST; DELIVERY AND CUSTODY
         OF BONDS; FORM OF CERTIFICATES; EXECUTION AND
         DELIVERY, SURRENDER AND REDEMPTION OF CERTIFICATES
     Section 2.01.  Creation of Trust; Delivery and Custody of Bonds; Execution
         and Delivery of Certificates in Respect Thereof.........................................     B-7
     Section 2.02.  Form of Certificates.........................................................     B-8
     Section 2.03.  Registration and Registration of Transfer and Exchange of  Certificates......     B-8
     Section 2.04.  Limitations on Execution and Delivery, Surrender and Registration of
         Transfer and Exchange of Certificates...................................................     B-9
     Section 2.05.  Mutilated, Destroyed, Lost or Stolen Certificates............................     B-9
     Section 2.06.  Persons Deemed Owners........................................................    B-10
     Section 2.07.  Cancellation and Destruction of Surrendered Certificates.....................    B-10
     Section 2.08.  Book-Entry...................................................................    B-10
     Section 2.09.  Action or Consent of Holders.................................................    B-12
     Section 2.10.  Transfer of Certificates Held by DTC to Successor Depository.................    B-13
     Section 2.11.  Temporary Certificates.......................................................    B-13

ARTICLE III - CERTAIN OBLIGATIONS OF HOLDERS OF
CERTIFICATES; DEPOSITOR'S WARRANTIES
     Section 3.01.  Filing Proofs, Certificates and Other Information............................    B-14
     Section 3.02.  Payment of Taxes or Other Governmental Charges...............................    B-14
     Section 3.03.  Depositor's Warranties.......................................................    B-14

ARTICLE IV - PAYMENT OF INTEREST AND PRINCIPAL; CUSTODY
OF PROCEEDS OF INTEREST AND PRINCIPAL PAYMENTS
     Section 4.01.  Payment of Interest; Payment of Principal; Mandatory Exchange of
         Callable Principal Certificates and Callable Stripped Bond Certificates.................    B-15
     Section 4.02.  Segregation of Moneys Received from Issuers in Respect of Bonds..............    B-17
     Section 4.03.  Paying Agent.................................................................    B-17

ARTICLE V - THE TRUSTEE AND THE DEPOSITOR
     Section 5.01.  Eligibility of Trustee; Disqualification.....................................    B-18
     Section 5.02.  Trustee's Duties on Default; No Liability of the Trustee or the
         Depositor on the Bonds..................................................................    B-18
     Section 5.03.  Collection of Indebtedness and Suits for Enforcement by
         Trustee; Distribution of Amounts Received in Respect of Defaulted Bonds.................    B-19
     Section 5.04.  Control by Holders...........................................................    B-20
</TABLE>


                                      B-iii
<PAGE>   10
<TABLE>
<S>                                                                                                  <C>
     Section 5.05.  Waiver of Past Defaults......................................................    B-21
     Section 5.06.  Maintenance of Offices and Agencies by the Trustee...........................    B-21
     Section 5.07.  Prevention of or Delay in Performance by the Trustee or the Depositor........    B-21
     Section 5.08.  Liability of the Trustee and the Depositor...................................    B-21
     Section 5.10.  Preferential Collection of Claims Against Depositor..........................    B-27
     Section 5.11.  Resignation and Removal of the Trustee; Appointment of
         Successor Trustee.......................................................................    B-27
     Section 5.12.  Indemnification by the Depositor.............................................    B-29
     Section 5.13.  Undertaking for Costs........................................................    B-30
     Section 5.14.  Charges and Expenses.........................................................    B-31
     Section 5.15.  Trustee Reports..............................................................    B-31

ARTICLE VI - HOLDERS' LISTS AND REPORTS
     Section 6.01.  Depositor to Furnish Names and Addresses of Holders to Trustee...............    B-31
     Section 6.02.  Preservation of Information, Communications to Holders.......................    B-32
     Section 6.03.  Reports by Trustee...........................................................    B-32

ARTICLE VII - AMENDMENT AND TERMINATION
     Section 7.01.  Amendment....................................................................    B-32
     Section 7.02.  Termination..................................................................    B-33

ARTICLE VIII - REDEMPTION OF CERTIFICATES
     Section 8.01.  Redemption...................................................................    B-33
     Section 8.02.  Notice of Redemption.........................................................    B-33

ARTICLE IX - MISCELLANEOUS
     Section 9.01.  Exclusive Benefit of Parties and Holders of Certificates; Effective Date.....    B-34
     Section 9.02.  Invalidity of Provisions.....................................................    B-34
     Section 9.03.  Conflict with Trust Indenture Act............................................    B-34
     Section 9.04.  Notices......................................................................    B-34
     Section 9.05.  Governing Law; Forum.........................................................    B-35
     Section 9.06.  Headings.....................................................................    B-35
     Section 9.07.  Covenant of Depositor and Trustee Not to Place Trust in Bankruptcy...........    B-35
</TABLE>


                                      B-iv
<PAGE>   11
             STANDARD TERMS AND PROVISIONS OF SERIES TRUST AGREEMENT

     This document constitutes Standard Terms and Provisions of Series Trust
Agreement which are to be incorporated by reference in, and attached as Exhibit
B to, one or more series trust deposit agreements (each, a "Series Trust
Agreement") by and among Corporate Asset Backed Corporation, as Depositor, and
the trustee designated therein, as Trustee.

     Each Series Trust Agreement will create a trust under the laws of the State
of New York to hold securities (the "Bonds") and all distributions thereon and
will provide for the creation, execution and delivery of trust certificates (the
"Certificates").

     These Standard Terms shall be of no force and effect unless and until
incorporated by reference into a Series Trust Agreement.

     The following terms and provisions shall govern the Certificates subject to
contrary or additional terms and provisions expressly set forth in a Series
Trust Agreement, which contrary or additional terms and provisions of the Series
Trust Agreement shall control.


                                    ARTICLE I

                                   DEFINITIONS

         Section 1.01. Certain Definitions. All capitalized terms used herein
shall have the meaning set forth in this Section 1.01 unless the context
otherwise requires:

         The term "Accreted Value" shall mean, for any Coupon Certificate,
Principal Certificate, Callable Principal Certificate or Stripped Coupon
Certificate, (a) the original issue price for such Certificate as set forth in
Exhibit A to the Series Trust Agreement, plus (b) an amount equal to an
investment return thereon accrued to the date of determination calculated based
on a semiannual compounding rate, on the basis of a 360 day year composed of
twelve 30-day months, equal to the original yield to maturity on the Closing
Date on such Certificate as set forth in Exhibit A to the Series Trust
Agreement. With respect to the allocation of proceeds of the Bonds received in
connection with a payment default on the Bonds, the relevant determination date
shall be the Petition Date. With respect to the determination of Accreted Value
in connection with a vote relating to the Bonds, the relevant determination date
shall be a date determined by the Trustee, which date shall be within fifteen
Business Days of the date the Trustee casts its votes as provided herein.

         The term "Agreement" shall mean the trust deposit agreement consisting
of the Series Trust Agreement into which is incorporated by reference the
Standard Terms, including all exhibits, schedules, appendices, supplements and
amendments to each.


                                       B-1
<PAGE>   12
         The term "Authorized Denominations" for each class of Certificates
shall mean the dollar amount, and greater multiples thereof (or of such other
dollar amount specified in the Series Trust Agreement), set forth in the Series
Trust Agreement.

         The term "Authorized Officer" shall mean any officer of the Depositor
who is authorized to act for the Depositor in matters relating to the Depositor.

         The term "Available Information Event" shall mean that the Issuer has
suspended its Exchange Act reporting requirements at a time when the Exchange
Act reporting requirements with respect to the Certificates have not been
suspended or terminated.

         The term "Beneficial Owner" shall mean any purchaser of Certificates
which are held through a Direct or Indirect DTC Participant, as such terms are
used in the rules and regulations of DTC.

         The term "Bond" shall mean, with respect to the issuance of
Certificates hereunder, the Bonds specified in the Series Trust Agreement
relating to such Certificates in the aggregate principal amount so specified.

         The term "Book-Entry Credit" shall mean the evidence of the deposit by
the Trustee of one or more Bonds in a separate account of the Trustee, as
Trustee under this Agreement, identified in the Series Trust Agreement.

         The term "Business Day" shall mean a day which is not a day when
banking institutions or trust companies in New York City are authorized or
obligated by law, regulation or executive order to remain closed.

         The term "Callable Principal" shall mean the right to receive (i) the
payment, whether upon stated maturity or upon earlier redemption, of the
Principal and redemption premium, if any, of Bonds which are redeemable at the
option of the Issuer thereof prior to stated maturity, and (ii) the Interest
relating to such Bonds with respect to Interest Payment Dates after the First
Call Date for such Bonds, in each case subject to Section 5.03(b) hereof.

         The term "Certificate" shall mean a certificate of a class of
certificates to be issued under this Agreement, which classes are specified in
the Series Trust Agreement for the series. Such classes may consist of:

         (i) Coupon Certificates, which entitle the Holders thereof, in the
     aggregate, to the Interest payable on a single Interest Payment Date on or
     before the First Call Date for the Bonds, or the stated maturity date in
     the case of Bonds not redeemable (otherwise than in connection with a
     default or acceleration) at the option of the Issuer thereof prior to
     stated maturity.

         (ii) Principal Certificates, which entitle the Holders thereof, in the
     aggregate, to Principal, payable at the stated maturity of the Bonds, of
     Bonds which are not redeemable (otherwise than


                                       B-2
<PAGE>   13
     in connection with a default or acceleration) at the option of the Issuer
     thereof prior to stated maturity.

         (iii) Callable Principal Certificates, which entitle the Holders
     thereof, in the aggregate, to the Callable Principal relating to the Bonds.

         (iv) Stripped Coupon Certificates, which entitle the Holders thereof,
     in the aggregate, to a specified portion (less than 100%) of the Interest
     payable on a single Interest Payment Date on or before the First Call Date
     for the Bonds, or the stated maturity date in the case of Bonds not
     redeemable (otherwise than in connection with a default or acceleration) at
     the option of the Issuer thereof prior to stated maturity.

         (v) Stripped Bond Certificates, which entitle the Holders thereof, in
     the aggregate, to Principal, payable at the stated maturity of the Bonds,
     of Bonds which are not redeemable (otherwise than in connection with a
     default or acceleration) at the option of the Issuer thereof prior to
     stated maturity, and to a specified portion (less than 100%) of Interest
     due on the Bonds on each Interest Payment Date on or prior to the First
     Call Date.

         (vi) Callable Stripped Bond Certificates, which entitle the Holders
     thereof, in the aggregate, to the Callable Principal relating to the Bonds,
     and to a specified portion (less than 100%) of Interest due on the Bonds on
     each Interest Payment Date on or prior to the First Call Date.

         (vii) Pooled Certificates, which entitle the Holders thereof to all the
     interest payments on the Bonds, all the principal payments on the Bonds and
     any related premium payable upon early redemption of the Bonds less any
     Retained Amount;

provided, that any designation of classes of Certificates made in the Series
Trust Agreement shall consist of only one of the following options, designated
by letters (a) - (e): (a) Coupon Certificates and Principal Certificates, (b)
Coupon Certificates and Callable Principal Certificates, (c) Stripped Coupon
Certificates and Stripped Bond Certificates, (d) Stripped Coupon Certificates
and Callable Stripped Bond Certificates, or (e) Pooled Certificates.

         The term "Certificate Register" shall have the meaning specified in
Section 2.03 hereof.

         The term "Closing Date" shall mean the date set forth and designated as
such in the Series Trust Agreement.

         The term "Commission" shall mean the Securities and Exchange
Commission.

         The term "Corporate Trust Office" shall mean the principal office of
the Trustee as identified in the Series Trust Agreement.


                                       B-3
<PAGE>   14
         The term "Depositor" shall mean Corporate Asset Backed Corporation, a
Delaware corporation, and any successor as Depositor hereunder.

         The term "Designated Office in New York City," when used with respect
to the Trustee, shall mean an office maintained in accordance with Section 5.06
hereof and designated by the Trustee.

         The term "DTC" shall mean The Depository Trust Company, a clearing
agency registered with the Commission, its successor or successors, and its
nominee or nominees.

         The term "Exchange Act" shall mean the Securities Exchange Act of 1934,
as amended.

         The term "First Call Date" shall mean, for any Bond, the first date
such Bond can be redeemed at the option of the Issuer thereof, which date shall
be specified in the Series Trust Agreement.

         The term "Holder" shall mean a Person in whose name a Certificate is
registered in the Certificate Register.

         The term "Independent Certificate" shall mean a certificate of a
non-affiliated accountant, engineer, appraiser or other expert, as required by
the TIA.

         The term "Indenture Trustee" shall mean the trustee or other fiduciary
for the Bonds.

         The term "Interest" shall mean the right to receive the interest
payable on the Bonds on each Interest Payment Date, subject to Section 5.03(b)
hereof.

         The term "Interest Payment Dates" shall mean the dates on which
interest payments are due on the Bonds as specified in the Series Trust
Agreement.

         The term "Issuer" shall mean the issuer of the Bonds described in
Exhibit A to the Series Trust Agreement.

         The term "Issuer Payment Default" shall have the meaning specified in
Section 5.03 hereof.

         The term "Letter of Representations" shall mean the letter of
representations from the Depositor and the Trustee to DTC with respect to the
Certificates held at DTC.

         The term "Officer's Certificate of the Depositor" shall mean a
certificate signed by any Authorized Officer of the Depositor and delivered to
the Trustee. Unless otherwise specified, any reference in this Agreement to an
Officer's Certificate of the Depositor shall be to an Officer's Certificate of
any Authorized Officer of the Depositor.

         The term "Officer's Certificate of the Trustee" shall mean the
certificate of the Trustee in the form attached as Exhibit D to the Series Trust
Agreement.


                                       B-4
<PAGE>   15
         The term "Opinion of Counsel" shall mean one or more written opinions
of counsel who may, except as otherwise expressly provided in this Agreement, be
employees of or counsel to the Depositor and who shall be satisfactory to the
Trustee, and which opinion or opinions shall be addressed to the Trustee as
Trustee, shall comply with any applicable requirements of this Agreement, and
shall be in form and substance satisfactory to the Trustee.

         The term "Outstanding Certificates" shall mean, as of the date of
determination, all Certificates theretofore authenticated and delivered under
this Agreement except:

         (i) Certificates theretofore canceled by the Certificate registrar or
     delivered to the Certificate registrar for cancellation;

         (ii) Certificates or portions thereof for which money in the necessary
     amount for payment thereof has been theretofore deposited with the Trustee
     or any Paying Agent in trust for the Holders of such Certificates
     (provided, however, that if such Certificates are to be redeemed, notice of
     such redemption has been duly given pursuant to this Agreement or provision
     therefor, satisfactory to the Trustee, has been made); and

         (iii) Certificates in exchange for which or in lieu of which other
     Certificates have been authenticated and delivered pursuant to this
     Agreement, unless proof satisfactory to the Trustee is presented that any
     such Certificates are held by a bona fide purchaser;

provided that in determining whether the Holders have given any request, demand,
authorization, direction, notice, consent or waiver hereunder, Certificates
owned by the Depositor, the Trustee or any Affiliate of any of the foregoing
Persons shall be disregarded and for purposes of determining the requisite
amount of Outstanding Certificates shall be deemed not to be Outstanding
Certificates, except that, in determining whether the Trustee shall be protected
in relying upon any such request, demand, authorization, direction, notice,
consent or waiver, only Certificates that the Trustee knows to be so owned shall
be so disregarded.

         The term "Participant" means an entity maintaining a custodial account
in its own name with DTC.

         The term "Paying Agent" shall mean the Trustee or any other Person that
meets the eligibility standards for the Trustee specified in Section 5.01 and is
authorized to make payments of Principal or Interest on behalf of the Trustee.

         The term "Person" means any individual, corporation, limited liability
company, partnership, joint venture, association, joint-stock company, trust,
unincorporated organization or government or any agency or political subdivision
thereof.


                                       B-5
<PAGE>   16
         The term "Petition Date" shall mean (i) the date on which a bankruptcy
petition is filed by or against the Issuer of the Bonds or (ii) the date of
commencement of any other similar proceeding, as applicable.

         The term "Principal" shall mean the right to receive the principal due
on the Bonds, subject to Section 5.03(b) hereof.

         The term "Proceeding" shall mean any suit in equity, action at law or
other judicial or administrative proceeding.

         The term "Rating Agency" shall mean each rating agency which is
identified in Exhibit A to the Series Trust Agreement.

         The term "Redemption Date" shall mean, with respect to any Bonds to be
redeemed, the date fixed by the Issuer thereof for such redemption.

         The term "Responsible Officer" shall mean, with respect to the Trustee,
any officer within the Corporate Trust Office of the Trustee, including any
Senior Vice President, Vice President, Assistant Vice President, Secretary,
Assistant Secretary, or any other officer of the Trustee customarily performing
functions similar to those performed by any of the above-designated officers and
also, with respect to a particular matter, any other officer to whom such matter
is referred because of such officer's knowledge of and familiarity with the
particular subject.

         The term "Retained Amount" shall mean the amount, if any, described in
Exhibit A to the Series Trust Agreement, which amount shall be held by the
Trustee in trust for the benefit of the Depositor and shall be paid by the
Trustee to the Depositor in accordance with Section 4.01 hereof.

         The term "Series" shall mean any series of Certificates identified in a
Series Trust Agreement.

         The term "Series Trust Agreement" shall mean the particular series
trust deposit agreement between the Depositor and the Trustee into which these
Standard Terms have been incorporated.

         The term "Standard Terms" shall mean this Standard Terms and Provisions
of Series Trust Agreement between Corporate Asset Backed Corporation, as
Depositor, and the Trustee.

         The term "TIA" shall mean the Trust Indenture Act of 1939, as amended.

         The term "Trust" shall mean the trust established by this Agreement for
the benefit of the Holders of the Certificates under the laws of the State of
New York.

         The term "Trustee" shall mean the institution acting as trustee with
whom the Depositor has entered into the Series Trust Agreement.


                                       B-6
<PAGE>   17
         The term "Voting Rights" shall mean voting rights on the Certificates
apportioned as required by Section 2.09 hereof.


                                   ARTICLE II

                     CREATION OF TRUST; DELIVERY AND CUSTODY
                  OF BONDS; FORM OF CERTIFICATES; EXECUTION AND
               DELIVERY, SURRENDER AND REDEMPTION OF CERTIFICATES

         Section 2.01. Creation of Trust; Delivery and Custody of Bonds;
Execution and Delivery of Certificates in Respect Thereof. The Trust shall be
established by the Depositor by execution and delivery of the Series Trust
Agreement and the deposit of the Bonds pursuant thereto. The sole asset of the
Trust shall be the Bonds deposited by the Depositor and any other related
property specified in the Series Trust Agreement. The Certificates shall
evidence fractional interests in designated portions of the assets of the Trust.
The income received by, and the assets of, the Trust shall be distributed solely
in accordance with this Agreement. The Depositor shall, by book-entry credit or
otherwise, irrevocably deliver the Bonds to the Trustee and, concurrently
therewith, the Trustee shall, in accordance with the provisions of this
Agreement, execute and deliver to the Depositor, or such Person or Persons as
the Depositor may designate by written instruction, the classes of Certificates
identified in the Series Trust Agreement, evidencing the aggregate amount, in
Authorized Denominations, of the Bonds so delivered to the Trustee. The
Depositor shall also, in connection with the Series Trust Agreement, enter into
a separate agreement with the Trustee, satisfactory to the Trustee, providing
for the payment of the charges and expenses of the Trustee in respect of such
Certificates.

         The Trustee shall accept the Bonds so delivered as trustee for the
Holders of the Certificates, which shall be delivered hereunder to evidence the
interests of the Holders in the Bonds, and shall hold the Bonds as provided
hereunder. The Bonds shall be deposited by Book-Entry Credit in an account
maintained on behalf of the Trustee at DTC, unless the Series Trust Agreement
specifies that the Trustee shall hold the Bonds (i) in a special trust account
created by separate recordation on its books, separate from all other assets of
the Trustee, or (ii) in some other manner. Separate subaccounts of any such
special trust account shall be established for each series of Certificates.

         The Trustee shall hold all the Bonds delivered to it pursuant to this
Agreement in trust for the Holders, identified and held separate and apart from
the general assets of the Trustee. The account of the Trustee in which the Bonds
are held shall not contain any property of the Trustee in its individual
capacity and shall contain only property held by the Trustee as fiduciary. The
Trustee agrees that it does not have the authority to assign, transfer,
encumber, pledge, sell, set-off or otherwise dispose of any of the Bonds or any
interests therein except as provided hereunder or as required by law.

         The Trustee acknowledges that it is not the beneficial owner of the
Bonds and that it holds the Bonds solely as trustee for the Holders pursuant to
this Agreement. Interest and principal payments


                                       B-7
<PAGE>   18
on the Bonds held in the trust account will not be subject to any right, charge,
security interest, lien or claim of any kind in favor of the Trustee, the
Depositor or any Person claiming through either of them.

         The representations and covenants contained in the Officer's
Certificate of the Trustee delivered in connection with the issuance of the
Certificates shall be deemed to be incorporated by reference herein, as fully as
if set forth in full herein.

         A reasonable time prior to the delivery of Bonds to the Trustee, the
Depositor shall furnish the Trustee with written instructions as to the name in
which the Certificates evidencing interests in such Bonds shall initially be
registered, the denominations in which such Certificates shall initially be
delivered, the Persons and addresses to whom such Certificates are to be
delivered and such other information as may be requested by the Trustee in
connection with the execution and delivery of such Certificates. Each class of
Certificates shall evidence the ownership by the Holders thereof of Interest,
Principal, or Callable Principal (or portions thereof), as the case may be, on
the Bonds, less any Retained Amount, to the extent required by the terms of such
class of Certificates.

         Bonds underlying Certificates which are not held by book-entry credit
at an account maintained on behalf of the Trustee at DTC shall be held by the
Trustee at its Designated Office in New York City or at such other place or
places as the Trustee shall determine.

         Section 2.02. Form of Certificates. Certificates shall be issued in
registered form only and shall be typewritten or printed on safety paper. The
classes of Certificates to be issued hereunder shall be identified in the Series
Trust Agreement and shall be substantially in the forms set forth in Exhibit C
thereto, in each case with appropriate insertions, modifications and omissions,
as therein and herein so provided. Certificates shall be executed by the Trustee
by the manual signature of a duly authorized signatory of the Trustee. No
Certificate shall be entitled to any benefits under this Agreement or be valid
or obligatory for any purpose, unless it shall have been executed manually by
the Trustee by the signature of a duly authorized signatory. The Trustee shall
record in the Certificate Register each Certificate so signed and delivered as
herein provided.

         The Authorized Denominations for each class of Certificates shall be
the dollar amount, and greater multiples thereof (or of such other dollar amount
specified in the Series Trust Agreement), set forth in the Series Trust
Agreement.

         Certificates may be endorsed with or have incorporated in the text
thereof such legends or recitals not inconsistent with the provisions of this
Agreement as may be required by the Trustee or required to comply with any
applicable law or any regulation thereunder.

         Section 2.03. Registration and Registration of Transfer and Exchange of
Certificates. The Trustee shall keep at its Designated Office in New York City a
register (the register maintained in such office being herein sometimes referred
to as the "Certificate Register") in which, subject to such reasonable
regulations as it may prescribe, the Trustee shall provide for the registration
of Certificates and for the registration of transfers or exchanges of
Certificates.


                                       B-8
<PAGE>   19
         Upon surrender for registration of transfer of any Certificate at the
Trustee's Designated Office in New York City, the Trustee shall execute and
deliver, in the name of the designated transferee or transferees, one or more
Certificates of the same class and series, of any Authorized Denominations and
of a like aggregate amount.

         At the option of the Holder, Certificates may be exchanged for other
Certificates of the same class and series, of any Authorized Denominations and
of a like aggregate amount, upon surrender of the Certificates to be exchanged
at the Trustee's Designated Office in New York City. Whenever any Certificates
are so surrendered for exchange, the Trustee shall execute and deliver the
Certificates which the Holder making the exchange is entitled to receive.

         All Certificates issued upon any registration of transfer or exchange
of Certificates shall evidence, to the extent indicated thereby, Interest,
Principal and/or Callable Principal (or portions thereof), as the case may be,
of Bonds held by the Trustee hereunder and shall be entitled to the same
benefits under this Agreement as the Certificates surrendered upon such
registration of transfer or exchange.

         Every Certificate presented for registration of transfer or for
exchange shall (if so required by the Trustee) be duly endorsed by, or be
accompanied by a written instrument of transfer in form satisfactory to the
Trustee and duly executed by, the Holder thereof or such Holder's attorney duly
authorized in writing.

         Section 2.04. Limitations on Execution and Delivery, Surrender and
Registration of Transfer and Exchange of Certificates. As a condition precedent
to the execution and delivery, surrender or registration of transfer or exchange
of any Certificate, the Trustee may require payment, by the Holder requesting
such action, of the then applicable service charge of the Trustee and of a sum
sufficient for reimbursement of any tax or other governmental charge with
respect thereto, may require the production of proof reasonably satisfactory to
it as to the Holder's residence and identity and genuineness of any signature,
may require the Holder to execute certificates and to make such representations
and assurances as the Trustee may reasonably deem necessary or proper, and may
also require compliance with such regulations, if any, as the Trustee may
reasonably establish consistent with the provisions of this Agreement.

         The surrender or registration of transfer or exchange of Certificates
may be suspended if any such suspension is deemed necessary or advisable by the
Trustee at any time or from time to time because of any requirement of law or of
any government or governmental body or commission, or under any provision of
this Agreement, or for any other reason which makes such surrender or
registration of transfer or exchange impracticable.

         Section 2.05. Mutilated, Destroyed, Lost or Stolen Certificates. In
case any Certificate shall be mutilated, the Trustee in its discretion may
execute and deliver a Certificate of the same series, of like form and tenor,
and in the same denomination and bearing a number not contemporaneously
outstanding, in exchange and substitution for such mutilated Certificate. In
case any Certificate shall


                                       B-9
<PAGE>   20
be destroyed, lost or stolen, the Trustee may execute and deliver a Certificate
of the same series, of like form and tenor, and in the same denomination and
bearing a number not contemporaneously outstanding, in lieu of and in
substitution for such destroyed, lost or stolen Certificate, only upon (i) the
filing by the Holder thereof with the Trustee of evidence satisfactory to the
Trustee of the destruction, loss or theft of such Certificate and of the
authenticity of such Holder's ownership thereof, and (ii) the furnishing to the
Trustee of reasonable indemnification satisfactory to it. All expenses and
charges associated with such indemnity and with the preparation, execution and
delivery of a new Certificate shall be borne by the Holder of the Certificate
mutilated, destroyed, lost or stolen.

         Section 2.06. Persons Deemed Owners. Prior to due presentment of a
Certificate for registration of transfer, the Trustee and any agent of the
Trustee may treat the Person in whose name such Certificate is registered as the
owner of such Certificate for the purpose of receiving payment of such
Certificate and for all other purposes whatsoever, whether or not such
Certificate be overdue, and neither the Trustee nor any agent of the Trustee
shall be affected by notice to the contrary.

         Section 2.07. Cancellation and Destruction of Surrendered Certificates.
All Certificates surrendered to the Trustee shall be canceled by the Trustee.
The Trustee is authorized to destroy such Certificates so cancelled.

         Section 2.08. Book-Entry. (i) At the election of the Depositor, the
Series Trust Agreement may provide that (1) all Certificates of a series are to
be held in DTC's book-entry only system, (2) all Certificates of a series are to
be issued in definitive physical form, or (3) the Certificates (or any part
thereof) are to be issued or held in such other form as is specified in the
Series Trust Agreement.

         (ii) Notwithstanding Section 4.01 hereof, when the registered Holder of
any or all of the Certificates is DTC, such Certificates shall be registered in
the name of Cede & Co., as nominee for DTC, and payment in respect of any
Interest, Principal or Callable Principal represented by any Certificate shall
be made on or after the corresponding Interest Payment Dates, in the case of the
payment of Interest, and on or after the corresponding stated maturity date, in
the case of the payment of Principal, in each case after the Trustee shall have
received the amounts due from the Issuer of the Bonds, by credit of same day
funds to the account indicated for Cede & Co. in the Certificate Register.
Payments received by the Trustee on or prior to 2:00 p.m., New York City time,
shall be credited to DTC that same day and payments received after such time
shall be credited the following Business Day. Notwithstanding any other
provisions in this Agreement, the right of the Holder of any Certificate to
receive any of the payments described above in this Section 2.08 (ii), and to
institute suit for the enforcement of any such payment on or after the date such
payment is payable, shall not be impaired without the consent of such Holder.

         (iii) Certificates of which Cede & Co. shall be the Holder shall be
initially issued in the form of one or more separate single Certificates for
each separate class of Certificates identified in the Series Trust Agreement to
be issued hereunder, aggregating in each case to the amount of each separate
stated maturity of the Certificates, or in such other manner as is required by
DTC. Upon initial issuance, the ownership of each such Certificate shall be
registered in the Certificate Register in the


                                      B-10
<PAGE>   21
name of Cede & Co., as nominee for DTC. The Depositor and the Trustee may treat
DTC (or its nominee) as the sole and exclusive owner of each Certificate
registered in its name for the purposes of payment of Interest, Principal and/or
Callable Principal represented thereby, giving any notice permitted or required
to be given to Holders under this Agreement, registering the transfer of such
Certificate, obtaining any consent or other action to be taken by Holders and
for all other purposes whatsoever, and neither the Depositor nor the Trustee
shall be affected by any notice to the contrary. Neither the Depositor nor the
Trustee shall have any responsibility or obligation to any Participant, any
Person claiming a beneficial ownership interest in such Certificate under or
through DTC or any Participant or any other Person that is not shown on the
Certificate Register as being a Holder of such Certificate, with respect to the
accuracy of any records maintained by DTC or any Participant; the payment by DTC
or any Participant of any amount in respect of Principal, Interest and/or
Callable Principal represented by such Certificate; any notice (or the
timeliness thereof) that is permitted or required to be given to Holders of such
Certificate under this Agreement; or any consent given or other action taken by
DTC as the Holder of such Certificate. Upon delivery by DTC to the Trustee of
written notice to the effect that DTC has determined to substitute a new nominee
in place of Cede & Co., and subject to the provisions of section 2.03 hereof
limiting the obligations of the Trustee to register transfers of or to exchange
Certificates, the words "Cede & Co." in this Agreement shall refer to such new
nominee of DTC.

         (iv) DTC may determine to discontinue providing its services with
respect to Certificates at any time by giving 90 days prior written notice to
the Depositor and the Trustee and discharging its responsibilities with respect
thereto under applicable law. Following receipt of such notice from DTC, the
Trustee shall promptly notify the Rating Agency. In connection therewith, the
Trustee and the Depositor will cooperate with DTC in taking appropriate action
after reasonable notice (a) to make available one or more separate physical
certificates evidencing the Certificates to any Participant having Certificates
credited to its DTC account or (b) to arrange for another securities depository
to maintain custody of physical certificates evidencing such Certificates. Upon
(1) the resignation of DTC from its functions as depository in accordance
herewith, provided that the Depositor is unable to arrange for another
securities depository to act as successor to DTC, (2) the election by the
Depositor to terminate book-entry registration of the Certificates (which
election shall only be made if the Depositor determines that such election will
not adversely affect the Holders), (3) the delivery of written notice to the
Trustee through DTC, from Holders of Outstanding Certificates representing at
least a majority of the Voting Rights, that such Holders elect to terminate
book-entry registration of the Certificates, (4) a default in payment of any
Interest, Principal or Callable Principal due on the Bonds, which default
remains uncured for 10 days, and the election by the Trustee to terminate
book-entry registration of the Certificates, or (5) the occurrence of an
Available Information Event (provided that the financial statements and other
information about the Issuer of the Bonds referred to in Section 5.15 hereof are
not thereafter available to the Trust), the Depositor shall notify DTC and,
except in the case of item (4) above, the Trustee of such event, whereupon DTC
is required under the Letter of Representations to notify the Participants of
the availability through DTC of physical certificates evidencing the
Certificates. In such event, DTC is required under the Letter of Representations
to promptly deliver to the Trustee the physical certificates evidencing such
Certificates, whereupon the Trustee at the expense of the Depositor shall
deliver physical certificates evidencing the Certificates to any Participant


                                      B-11
<PAGE>   22
having Certificates credited to its account at DTC and the provisions of this
Agreement shall then apply irrespective of this Section 2.08.

         (v) In connection with any notice or other communication to be provided
to Holders pursuant to this Agreement by the Trustee with respect to any consent
or other action to be taken by Holders, the Trustee shall establish a record
date for such consent or other action and give DTC notice of such record date
not less than 15 calendar days in advance of such record date to the extent
possible. Such record date shall be the later of thirty (30) days prior to the
first solicitation of such consent or other action or the date of the most
recent list of Holders furnished to the Trustee pursuant to Section 6.01 hereof.

         (vi) In the event that Bonds are redeemed and Certificates are
correspondingly redeemed and the Certificates are registered in the name of Cede
& Co., as nominee for DTC, the Certificates shall be redeemed and terminated
without action by the Holder thereof, all as provided in the Letter of
Representations.

         Section 2.09. Action or Consent of Holders. The Voting Rights on the
Certificates shall be apportioned by the Trustee among the Holders, as of the
applicable record date as determined by the Trustee pursuant to Section 2.08(v)
hereof, of the Outstanding Certificates in proportion to the Accreted Value or,
with respect to Stripped Bond Certificates, Callable Stripped Bond Certificates
and Pooled Certificates, the principal amount, of each class of Certificates,
and within each class, pro rata by aggregate Accreted Value or principal amount,
as applicable. In the event of any action or consent requiring the vote of the
owners of any Bonds at any time when the Certificates are held in the DTC
book-entry form, the Trustee, upon receipt of the Bond proxy, shall notify DTC
(in its capacity as the Holder of the Certificates) of such action. Under
current procedures the Depositor expects that DTC will notify the Participants
who will notify the Beneficial Owners of the Certificates of such an event.
Thereafter, the Trustee shall vote solely in accordance with such proxies and
shall apportion its voting powers on the basis of the votes cast by the Holders,
based upon the direction the Holders have received from the Beneficial Owners.
If the Certificates are not then held by DTC or any other depository, the
Trustee, upon receipt of the Bond proxy, shall notify the Holders directly of
such action and shall vote in the same manner as noted above. The Trustee shall
cast its vote in connection with the foregoing vote on the Bonds in proportion
to the Voting Rights on the Certificates held by the Holders or groups of
Holders directing it, notwithstanding that such Holder or groups of Holders may
give contrary instructions or that such instructions may conflict.

         The Trustee shall at no time vote for or consent to any action (i) to
the extent that such vote or consent could reasonably be expected to alter the
status of the Trust as a grantor trust for federal income tax purposes, (ii)
prior to the filing of a bankruptcy petition by or against the Issuer of the
Bonds or the commencement of any other similar proceeding, if such action would
alter the timing or amount of any payment on such Bonds or (iii) prior to the
filing of a bankruptcy petition by or against the Issuer of Bonds, or the
commencement of any other similar proceeding, if such action would result in the
exchange or substitution of any of such outstanding Bonds pursuant to a plan for
the refunding or refinancing of such Bonds. In connection with any vote, the
Trustee may request, as a condition


                                      B-12
<PAGE>   23
precedent to casting any vote, that it be provided with an opinion of Counsel
that the consent or action will not alter the status of the Trust as a grantor
trust for federal income tax purposes, which Opinion of Counsel shall be an
expense of the Holders voting in favor of the proposed action. The Trustee in
requesting such opinion shall inform the Holders of the potential expense of the
Opinion of Counsel.

         In no event shall the Depositor be allowed or entitled (other than in
its capacity as a Participant for a Beneficial Owner) to vote, directly or
indirectly, any Certificates.

         The Trustee shall also transmit to DTC or, if the Certificates are not
then held by DTC or any other depository, the Holders as provided in Section
9.04 hereof, any communications from the Issuer or from a third party (other
than the Issuer) to the Trustee as bondholder, upon receipt from such Issuer or
third party, respectively, of assurances that the Trustee's reasonable expenses
will be reimbursed by such Issuer or third party. If the Trustee does not
receive such assurances, then the Trustee, at the sole discretion of the
Depositor and at the expense of the Trust, shall transmit or cause to be
transmitted any such communications to DTC or, if the Certificates are not then
held by DTC or any other depository, the Holders as provided in Section 9.04
hereof.

         Section 2.10. Transfer of Certificates Held by DTC to Successor
Depository. (a) If the Depositor elects to direct that the Trustee deliver
Certificates with respect to a particular Series Trust Agreement in the name of
and to DTC, as the depository hereunder, or its nominee, said Certificates may
not thereafter be transferred except:

         (i) to any successor of DTC or its nominee;

         (ii) to any substitute depository not objected to by the Trustee, upon
     (1) the resignation of DTC or its successor (or any substitute depository
     or its successor) from its functions as depository or (2) a determination
     by the Depositor that it is in the best interest of the Depositor (and will
     not adversely affect the Holders) or the Holders to remove DTC or its
     successor (or any substitute depository or its successor); or

         (iii) as provided in Section 2.08(iv) hereof;

provided, that any successor of DTC or substitute depository referred to above
shall be a clearing agency registered with the Commission and shall otherwise be
qualified under any applicable laws to provide the services proposed to be
provided by it.

         Section 2.11. Temporary Certificates. The Certificates may be initially
delivered in temporary form exchangeable for definitive Certificates when ready
for delivery, which temporary Certificates shall be printed, lithographed or
typewritten, shall be of such denominations as may be determined by the Trustee,
shall be in fully registered form and shall contain such reference to any of the
provisions hereof as may be appropriate. Every temporary Certificate shall be
executed and delivered by the Trustee upon the same conditions and terms and in
substantially the same manner as definitive certificates. If temporary
Certificates are issued, the Trustee shall execute and deliver definitive


                                      B-13
<PAGE>   24
Certificates without delay, and in that case upon demand of the Holder of any
temporary Certificates such temporary Certificates shall be exchanged without
cost to such Holder for definitive Certificates at the office of the Trustee
upon surrender of such temporary Certificates, and until so exchanged such
temporary Certificates shall be entitled to the same benefit, protection and
security hereunder as the definitive Certificates executed and delivered
hereunder. All temporary Certificates surrendered pursuant to the provisions of
this Section 2.11 shall be canceled by the Trustee, shall not be redelivered and
shall be disposed of pursuant to Section 2.07.


                                   ARTICLE III

                        CERTAIN OBLIGATIONS OF HOLDERS OF
                      CERTIFICATES; DEPOSITOR'S WARRANTIES

         Section 3.01. Filing Proofs, Certificates and Other Information. Any
Holder presenting Certificates for surrender or registration of transfer or
exchange may be required to file such proof of residence, or other matters or
information, to execute such certificates and to make such representations and
warranties as the Trustee may reasonably deem necessary or proper. The Trustee
may withhold the delivery or delay the surrender of or registration of transfer
or exchange of any Certificate until such proof or other information is filed,
such certificates are executed or such representations and warranties are made.

         Section 3.02. Payment of Taxes or Other Governmental Charges. If any
tax or other governmental charge shall become payable by or on behalf of the
Trustee, including any tax or charge required to be withheld from any payment
made to or by the Trustee under the provisions of any applicable law, with
respect to any Certificate or with respect to the Interest, Principal or
Callable Principal (or portions thereof) evidenced by any Certificate, such tax
or governmental charge shall be payable by the Holder of such Certificate and
may be so withheld by the Trustee. The surrender of or registration of transfer
or exchange of any Certificate may be refused until such payment is made.

         Section 3.03. Depositor's Warranties. In the case of each delivery of
Bonds to the Trustee, the Depositor shall be deemed thereby to represent and
warrant to the Trustee that the Depositor is duly authorized to so deliver such
Bonds and that immediately prior to the delivery thereof the Depositor owned
such Bonds free and clear of any lien, pledge, encumbrance or other security
interest, and such delivery is irrevocable and free of any continuing claim by
the Depositor, except for the Retained Amount. The Depositor shall further be
deemed by such delivery to represent and warrant to the Trustee that the
prospectus and prospectus supplement prepared by the Depositor with respect to
the Certificates makes such disclosure with respect to the Bonds as is required
by applicable federal and state securities laws. Such representations and
warranties shall survive the delivery of such Bonds and the Certificates in
respect thereof.


                                      B-14
<PAGE>   25
                                   ARTICLE IV

                   PAYMENT OF INTEREST AND PRINCIPAL; CUSTODY
                 OF PROCEEDS OF INTEREST AND PRINCIPAL PAYMENTS

         Section 4.01. Payment of Interest; Payment of Principal; Mandatory
Exchange of Callable Principal Certificates and Callable Stripped Bond
Certificates. In the case of Bonds held by the Trustee in certificate form, the
Trustee shall present the Bonds to the Issuer, Indenture Trustee or paying agent
therefor, as applicable, for payment of Interest on the Interest Payment Dates
related thereto and all Principal at stated maturity or upon the Redemption Date
therefor, to the extent required under the terms of such Bonds to obtain payment
thereon.

         With respect to any Coupon Certificate, on or after the Interest
Payment Date of the Interest evidenced thereby, if the Issuer shall have paid in
full and the Trustee shall have received the interest due on such Interest
Payment Date on the underlying Bonds, the Trustee shall pay to the Holder
thereof upon presentation and surrender of its Certificates, in lawful money of
the United States of America, by check no later than one Business Day after
receipt of funds by the Trustee, the entire amount of such Interest evidenced
thereby, less any taxes or governmental charges required to be withheld from
such payment by the Trustee.

         With respect to any Principal Certificate, on or after the stated
maturity date of the Principal evidenced thereby, if the Issuer shall have paid
in full and the Trustee shall have received the amount of such Principal upon
maturity of the underlying Bond or Bonds, the Trustee shall pay to the Holder
thereof upon presentation and surrender of its Certificates, in lawful money of
the United States of America, by check no later than one Business Day after
receipt of funds by the Trustee, the entire amount of such Principal evidenced
thereby, less any taxes or governmental charges required to be withheld from
such payment by the Trustee.

         With respect to any Callable Principal Certificate, on or after the
stated maturity date, the redemption date or the Interest Payment Date, as
applicable, of the Callable Principal evidenced thereby, if the Issuer shall
have paid and the Trustee shall have received all or any part of the Callable
Principal due upon maturity or earlier redemption of the underlying Bonds or on
any Interest Payment Date, the Trustee shall pay to the Holder thereof upon
presentation and surrender of its Certificates, in lawful money of the United
States of America, by check no later than one Business Day after receipt of
funds by the Trustee, the entire amount of such Callable Principal so paid and
received or, in the case of a Callable Principal Certificate redeemed in part,
the amount of such Principal so redeemed; in each case less any taxes or
governmental charges required to be withheld from such payment by the Trustee.

         Any Callable Principal Certificate which is not redeemed on the First
Call Date shall be terminated and deemed involuntarily surrendered by the Holder
thereof in exchange for a principal amount of the Bonds underlying such Callable
Principal Certificate equal to the face amount of such Callable Principal
Certificate, whether or not such Holder has requested such exchange. No action
by


                                      B-15
<PAGE>   26
such Holder shall be required to effect such termination, which shall be carried
out by the Trustee pursuant to the terms of this Agreement.

         With respect to any Stripped Coupon Certificate, on or after the
Interest Payment Date of the Interest evidenced thereby, if the Issuer shall
have paid in full and the Trustee shall have received the interest due on such
Interest Payment Date on the underlying Bonds, the Trustee shall pay to the
Holder thereof upon presentation and surrender of its Certificates, in lawful
money of the United States of America, by check no later than one Business Day
after receipt of funds by the Trustee, the entire amount of such Interest
evidenced thereby, less any taxes or governmental charges required to be
withheld from such payment by the Trustee.

         With respect to any Stripped Bond Certificate, on or after the Interest
Payment Date or stated maturity date, as applicable, of the Interest or
Principal evidenced thereby, if the Issuer shall have paid and the Trustee shall
have received the Interest evidenced thereby or all or any part of the principal
amount of the Principal evidenced thereby due upon maturity of the underlying
Bonds, the Trustee shall pay to the Holder thereof (i) with respect to each
Interest Payment Date preceding the maturity date, as of the applicable record
date of the underlying Bonds, and (ii) with respect to the maturity date, upon
presentation of its Certificates, in lawful money of the United States of
America, by check no later than one Business Day after receipt of funds by the
Trustee (in the case of clause (i) above, sent by first-class mail to the
address of the Holder set forth in the Certificate Register), the entire amount
of such Interest and/or Principal; in each case less any taxes or governmental
charges required to be withheld from such payment by the Trustee.

         With respect to any Callable Stripped Bond Certificate, on or after the
stated maturity date, the redemption date or the Interest Payment Date, as
applicable, of the Callable Principal evidenced thereby, if the Issuer shall
have paid and the Trustee shall have received the Interest or all or any part of
the Callable Principal evidenced thereby due upon maturity or earlier redemption
of the underlying Bonds or on any Interest Payment Date, the Trustee shall pay
to the Holder thereof (i) with respect to each Interest Payment Date preceding
the maturity date or redemption date, as applicable, as of the applicable record
date of the underlying Bonds, and (ii) with respect to the maturity date or
redemption date, as applicable, upon presentation of its Certificates, in lawful
money of the United States of America, by check no later than one Business Day
after receipt of funds by the Trustee (in the case of clause (i) above, sent by
first-class mail to the address of the Holder set forth in the Certificate
Register), the entire amount of such Holder's allocable portion of the Callable
Principal so received or, in the case of a Callable Stripped Bond Certificate
redeemed in part, the amount so redeemed; in each case less any taxes or
governmental charges required to be withheld from such payment by the Trustee.

         Any Callable Stripped Bond Certificate which is not redeemed on the
First Call Date shall be terminated and deemed involuntarily surrendered by the
Holder thereof in exchange for a principal amount of the Bonds underlying such
Callable Stripped Bond Certificate equal to the face amount of such Callable
Stripped Bond Certificate, whether or not such Holder has requested such
exchange. No action by such Holder shall be required to effect such termination,
which shall be carried out by the Trustee pursuant to the terms of this
Agreement.


                                      B-16
<PAGE>   27
         With respect to any Pooled Certificate, on or after the stated maturity
date, the redemption date or the Interest Payment Date, as applicable, of the
Interest, Principal or Callable Principal evidenced thereby, if the Issuer shall
have paid and the Trustee shall have received Interest on any of the Bonds in
the Trust evidenced thereby or all or any part of the Principal or Callable
Principal on any of the Bonds in the Trust evidenced thereby due upon maturity
or earlier redemption of such Bonds or on any Interest Payment Date, the Trustee
shall pay to the Holder thereof (i) with respect to each Interest Payment Date
preceding the maturity date or redemption date, as applicable, as of the
applicable record date of the underlying Bonds, and (ii) with respect to the
maturity date or redemption date, as applicable, upon presentation of its
Certificates, in lawful money of the United States of America, by check no later
than one Business Day after receipt of funds by the Trustee (in the case of
clause (i) above, sent by first-class mail to the address of the Holder set
forth in the Certificate Register), the entire amount of such Interest,
Principal or Callable Principal so paid and received, less any Retained Amount,
or, in the case of a Certificate redeemed in part, the amount of such Callable
Principal so redeemed; in each case less any taxes or governmental charges
required to be withheld from such payment by the Trustee.

         With respect to any payment of Interest, Principal or Callable
Principal, as applicable, that constitutes a Retained Amount, the Trustee shall
remit such Retained Amount to the Depositor, in immediately available funds,
within one Business Day of receipt by the Trustee from the Issuer.

         When making any payment to a Holder of a Certificate or, with respect
to any Retained Amount, to the Depositor, under this Agreement, the Trustee
shall round down such payment to the nearest whole cent.

         Notwithstanding any other provisions in this Agreement, the right of
the Holder of any Certificate to receive any of the payments described above in
this Section 4.01, and to institute suit for the enforcement of any such payment
on or after the date such payment is payable, shall not be impaired without the
consent of such Holder.

         Section 4.02. Segregation of Moneys Received from Issuers in Respect of
Bonds. All moneys received from the Issuers of Bonds or otherwise by the Trustee
in respect of Bonds evidenced by Certificates issued hereunder shall be held by
it without interest in a segregated trust account (which account shall contain
two subaccounts, one for interest payments on the Bonds and the second for
principal and redemption premium payments on the Bonds) for each issue of Bonds
held in trust until required to be disbursed in accordance with the provisions
of this Agreement or as otherwise required by law and such moneys shall be
segregated by separate recordation on the books and records of the Trustee.
Payments whose character as principal, redemption premium or interest on the
Bonds cannot be determined shall be deposited in the subaccount for principal
until distributed pursuant to Section 5.03(b) hereof.

         Section 4.03. Paying Agent. Each Paying Agent other than the Trustee
shall execute and deliver to the Trustee an instrument in which such Paying
Agent shall agree with the Trustee (and if the Trustee acts as Paying Agent, it
hereby so agrees), that such Paying Agent shall:


                                      B-17
<PAGE>   28
         (i) hold all sums held by it for the payment of amounts due with
     respect to the Bonds in trust for the benefit of the Persons entitled
     thereto until such sums shall be paid to such Persons or otherwise disposed
     of as herein provided and pay such sums to such Persons as herein provided;

         (ii) give the Trustee notice of any default by the Issuer (or any other
     obligor upon the Bonds) of which it has actual knowledge in the making of
     any payment required to be made with respect to the Certificates.


                                    ARTICLE V

                          THE TRUSTEE AND THE DEPOSITOR

         Section 5.01. Eligibility of Trustee; Disqualification. The Trustee
shall at all times satisfy the requirements of TIA Section 310(a). The Trustee
shall have a combined capital and surplus of at least $50,000,000 as set forth
in its most recent published annual report of condition and it shall have a long
term unsecured debt or deposit rating of A-2 or better by Moody's Investors
Service, Inc. and A by Standard & Poor's Ratings Group or the equivalent rating
thereof by the Rating Agency (if other than Moody's Investors Service, Inc., or
Standard & Poor's Ratings Group). The Trustee shall comply with TIA Section
310(b); provided, however, that there shall be excluded from the operation of
TIA Section 310(b)(1) any series trust deposit agreements under which other
securities are outstanding evidencing ownership interests in bonds of the Issuer
of the Bonds if the requirements for such exclusion set forth in TIA Section
310(b)(1) are met.

         Section 5.02. Trustee's Duties on Default; No Liability of the Trustee
or the Depositor on the Bonds. If an event of default on the Bonds has occurred
and is continuing, the Trustee shall exercise the rights and powers vested in it
by this Agreement and use the same degree of care and skill in their exercise as
a prudent Person would exercise or use under the circumstances in the conduct of
such Person's own affairs.

         The Trustee shall have the legal power to exercise all of the rights,
powers and privileges of a holder of the Bonds in which the Certificates
evidence an interest. However, neither the Trustee (except as specifically
provided in Section 5.03 or elsewhere herein or in the TIA) nor the Depositor
shall be under any obligation whatsoever to appear in, prosecute or defend any
action, suit or other proceeding in respect of Bonds or Certificates.

         The sole obligor with respect to any Bond is the Issuer thereof or any
other entity obligated to make payments to or on behalf of the Issuer thereof
(or its trustee or other applicable fiduciary) with respect to such Bond.
Neither the Trustee nor the Depositor shall have any obligation on or with
respect to the Bonds except as provided in this Article V with respect to the
Trustee; and their respective obligations with respect to Certificates shall be
solely as set forth in this Agreement.

         If there is an event of default (as defined in the indenture or other
document pursuant to which the Bonds were issued) with respect to any Bond and
such default is known to the Trustee, the Trustee


                                      B-18
<PAGE>   29
shall promptly give notice to DTC or, if the Certificates are not then held by
DTC or any other depository, directly to Holders thereof as provided in Section
9.04 hereof (and in the manner and to the extent provided in TIA Section 313(c))
within 90 days after such event of default occurs. Such notice shall set forth
(a) the identity of the issue of Bonds, (b) the date and nature of such default,
(c) the face amount of the Interest, Principal or Callable Principal to which
such default relates, (d) the identifying numbers of the class of Certificates,
or any combination, as the case may be, evidencing the Interest, Principal or
Callable Principal (or portions thereof) described above in clause (c), and (e)
any other information which the Trustee may deem appropriate. Except in the case
of a default in payment of Principal or Interest (including payments pursuant to
a redemption of any Certificate), the Trustee may withhold the notice to Holders
if and so long as a committee of its Responsible Officers in good faith
determines that withholding the notice is in the interests of the Holders.

         Holders of Certificates shall have no recourse against the Depositor or
the Trustee for payment defaults on the Bonds.

         Section 5.03. Collection of Indebtedness and Suits for Enforcement by
Trustee; Distribution of Amounts Received in Respect of Defaulted Bonds.

         (a) If:

         (i) default is made in the payment of any installment of interest on
     any Bond when the same becomes due and payable, and such default continues
     unremedied for the period specified in the indenture (as identified in
     Exhibit A to the Series Trust Agreement), or, if no such period is
     specified, five days, after receipt by the Issuer of notice thereof from
     the Trustee or receipt by the Issuer and the Trustee of notice thereof from
     the Holders of Outstanding Certificates representing at least 25% of the
     Voting Rights; or

         (ii) default is made in the payment of the principal of or any
     installment of the principal of any Bond when the same becomes due and
     payable, and such default continues unremedied for the period specified in
     the indenture (as identified in Exhibit A to the Series Trust Agreement),
     or, if no such period is specified, thirty (30) days, after receipt by the
     Issuer of notice thereof from the Trustee or receipt by the Issuer and the
     Trustee of notice thereof from the Holders of Outstanding Certificates
     representing at least 25% of the Voting Rights;

and the Issuer shall, upon demand of the Trustee, fail to pay forthwith to the
Trustee, for the benefit of the Holders, the whole amount then due and payable
on such Bonds for principal and interest, with interest upon the overdue
principal, at the rate borne by the Bonds and in addition thereto such further
amount as shall be sufficient to cover the costs and expenses of collection,
including the reasonable compensation, expenses, disbursements and advances of
the Trustee and its agents and counsel, to the extent permitted by law (such
event, an "Issuer Payment Default"), then the Trustee, in its own name and as
trustee of an express trust, subject to provision being made by the Holders for
indemnification against costs, expenses and liabilities in a form satisfactory
to the Trustee, shall institute a Proceeding for the collection of the sums so
due and unpaid, and shall prosecute such Proceeding to judgment or


                                      B-19
<PAGE>   30
final decree or settlement, and shall enforce the same against the Issuer or
other obligor upon the Bonds and collect in the manner provided by law out of
the property of the Issuer or other obligor upon the Bonds, wherever situated,
the moneys adjudged or decreed to be payable, unless otherwise directed by
Holders of Outstanding Certificates representing not less than a majority of the
voting Rights. In connection therewith, the Trustee shall use its best
reasonable efforts in accordance with such normal and customary procedures it
shall deem necessary or advisable, and shall have the power and authority,
acting alone, to do any and all things in connection therewith and the
administration of the Trust as it may deem necessary or advisable.

         (b) In the event that the Trustee receives money or other property in
respect of the Bonds (other than a scheduled interest payment with respect to an
Interest Payment Date, the scheduled payment of principal on or with respect to
the stated maturity date of the Bonds, or the payment of principal and any
redemption premium on or with respect to the earlier redemption of the Bonds) as
a result of a payment default on the Bonds, or actual notice that such moneys or
other property will be paid to the Trustee, the Trustee shall promptly give
notice (as provided in Section 9.04 hereof) to DTC or, if the Certificates are
not then held by DTC or any other depository, directly to the Holders of the
Certificates then outstanding and unpaid. Such notice shall state that, not
later than thirty (30) days after the receipt of such moneys or other property,
the Trustee shall allocate and distribute such moneys or other property to the
Holders of the Outstanding Certificates then unpaid, in proportion to the
Accreted Value or, with respect to Stripped Bond Certificates, Callable Stripped
Bond Certificates and Pooled Certificates, the principal amount, of each class
of Outstanding Certificates, and within each class, pro rata by aggregate
Accreted Value or principal amount, as applicable. Property received, other than
cash, shall be liquidated by the Trustee in a commercially reasonable manner and
the proceeds thereof, after deduction of all reasonable costs of such
liquidation, distributed in cash, only to the extent necessary to avoid
distribution of fractional securities. The Trustee shall not be responsible for
the failure of any Person to maximize the price at which such property may be
sold. No Person effecting a sale on behalf of the Trustee shall be liable
therefor so long as such sale is effected in a commercially reasonable manner.

         Section 5.04. Control by Holders. The Holders of Outstanding
Certificates representing a majority of the Voting Rights shall, subject to
provision being made for indemnification against costs, expenses and liabilities
in a form satisfactory to the Trustee, have the right to direct the time, method
and place of conducting any Proceeding for any remedy available to the Trustee
with respect to any Issuer Payment Default; provided, however, that:

         (i) such direction shall not be in conflict with any rule of law or
     with this Agreement;

         (ii) subject to Sections 2.09 and 5.11, the Trustee need not take any
     action that it determines might cause it to incur any liability or might
     materially adversely affect the rights of any Holders not consenting to
     such action.


                                      B-20
<PAGE>   31
         Section 5.05. Waiver of Past Defaults.

         The Holders of Outstanding Certificates representing not less than a
majority of the Voting Rights may waive any past default and its consequences
except (i) an Issuer Payment Default or other default in the payment of
principal of or interest on any of the Certificates or (ii) a default in respect
of a covenant or provision hereof which cannot be modified or amended without
the consent of the Holder of each Certificate. In the case of any such waiver,
the Depositor, the Trustee and the Holders shall be restored to their former
positions and rights hereunder, respectively; but no such waiver shall extend to
any subsequent or other default or impair any right consequent thereto.

         Section 5.06. Maintenance of Offices and Agencies by the Trustee. Until
termination of this Agreement in accordance with its terms, the Trustee shall
maintain (a) facilities in the City of New York for the execution and delivery,
payment, surrender and registration of transfer and exchange of Certificates,
all in accordance with the provisions of this Agreement, and (b) such other
agents, if any, as the Trustee and the Depositor may agree from time to time.

         Section 5.07. Prevention of or Delay in Performance by the Trustee or
the Depositor. Neither the Trustee nor the Depositor shall incur any liability
to any Holder of any Certificate, if by reason of any provision of any present
or future law, or regulation thereunder, of any governmental authority, or by
any reason of any act of God or war or other circumstance beyond the control of
the relevant party, the Trustee or the Depositor shall be prevented or forbidden
from doing or performing any act or thing which the terms of this Agreement
provide shall be done or performed; and neither the Trustee nor the Depositor
shall incur any liability to any Holder of a Certificate by reason of any
non-performance or delay, caused as aforesaid, in the performance of any act or
thing which the terms of this Agreement provide shall or may be done or
performed, or by reason of any exercise of, or failure to exercise, any
discretion provided for in this Agreement.

         Section 5.08. Liability of the Trustee and the Depositor. (a) Neither
the Trustee nor the Depositor assumes any obligation or shall be subject to any
liability under this Agreement to Holders of Certificates, other than liability
for its own negligent action, its own negligent failure to act or its own
willful misconduct, in the performance of such duties as are specifically set
forth in this Agreement or the TIA; further provided, that:

         (i) the Trustee shall not be liable except for the performance of such
     duties as are specifically set out in this Agreement and no implied
     covenants or obligations shall be read into this Agreement against the
     Trustee;

         (ii) the Trustee may conclusively rely, as to the truth of the
     statements and the correctness of the opinions expressed therein, in the
     absence of bad faith on the part of the Trustee, upon certificates or
     opinions conforming to the requirements of this Agreement (but the Trustee
     shall examine the evidence furnished to it pursuant to TIA Section 314 to
     determine whether or not such evidence conforms to the requirements of this
     Agreement);

                                      B-21
<PAGE>   32
         (iii) the Trustee shall not be liable for any error of judgment made in
     good faith by a Responsible Officer unless it is proved that the Trustee
     was negligent in ascertaining the pertinent facts; and

         (iv) to the extent that the Holders of Outstanding Certificates
     representing not less than a majority of the Voting Rights direct the
     Trustee with respect to the time, method and place of conducting any
     Proceeding for any remedy available to the Trustee with respect to an
     Issuer Payment Default, the Trustee shall not be liable with respect to any
     action it takes or omits to take in good faith in accordance with such
     direction.

         Neither DTC nor any registrar with which Bonds are maintained as
book-entry credits shall be deemed agents of the Trustee. The Trustee may own
and deal (i) in bonds of the same issue and maturity as the Bonds and (ii) in
Certificates.

         The Trustee shall be under no liability to any party hereto, or to any
Holder, by reason of any failure on the part of the Depositor or any maker,
guarantor, endorser or other signatory of any document or instrument, including
any Bond, or any other Person to perform such Person's obligations under any
such document or instrument.

         The Trustee shall not be responsible for the sufficiency or accuracy,
the form or the execution, validity, value or genuineness of any document or
property received or held by it hereunder, including without limitation any
Bonds, or the authority of the Depositor in executing this Agreement.

         The Trustee assumes no responsibility for the correctness of the
recitals to the Certificates or to any document issued in connection with the
sale of the Certificates, other than its signature under the Certificates.

         ANY ACTION OR PROCEEDING ALLEGING ANY BREACH BY THE TRUSTEE OF ITS
DUTIES UNDER THIS AGREEMENT SHALL BE PROSECUTED ONLY IN A STATE OR FEDERAL COURT
LOCATED IN THE STATE OF NEW YORK, COUNTY OF NEW YORK. THE TRUSTEE SHALL HAVE THE
RIGHT AT ANY TIME TO SEEK INSTRUCTIONS FROM ANY COURT OF COMPETENT JURISDICTION.

         The Trustee shall be deemed to have exercised reasonable care in the
custody and preservation of the Bonds in its possession if the Bonds are held in
the manner specified in the Officer's Certificate of the Trustee and are
accorded treatment substantially equal to that which a prudent Person accords
its own property.

         The Trustee shall at all times maintain a fidelity bond in reasonable
form and amount to protect against loss due to dishonest or fraudulent action by
its employees in connection with its obligations hereunder.

                                      B-22
<PAGE>   33
         The Trustee may consult with and rely upon the calculations of an
advisor (which may be the Depositor) in connection with any calculation of
Accreted Value to the extent such amount must be determined in order for the
Trustee to carry out its duties hereunder.

         The Trustee may consult with counsel of its selection, and the advice
of such counsel or any Opinion of Counsel selected by the Trustee with due care
shall be full and complete authorization and protection in respect of any action
taken, suffered or omitted by it hereunder in reliance thereon.

         The Trustee may request and rely upon and shall be protected in acting
or refraining from action upon any resolution, certificate signed by an
authorized officer, certificate of auditors or any other certificate, statement,
instrument, opinion, report, notice, facsimile transmission, request, consent,
order, appraisal, bond or other paper or document reasonably believed by it to
be genuine and to have been signed or presented by the proper party or parties.

         The Trustee shall be under no obligation to exercise any of the trusts
or powers vested in it by this Trust Agreement or to institute, conduct or
defend any litigation hereunder or in relation hereto, at the request, order or
direction of any of the Holders, pursuant to the provisions of this Series Trust
Agreement, unless such Holders shall have offered to the Trustee reasonable
security or indemnity against the costs, expenses and liabilities which may be
incurred therein or thereby.

         The Trustee may execute any of the trusts or powers hereunder or
perform any duties hereunder either directly or by or through agents or
attorneys or a custodian and shall not be liable for any misconduct or
negligence of any such agents or attorneys selected with due care by it.

         (b) Any application by the Trustee for written instructions from the
Depositor may, at the option of the Trustee, set forth in writing any action
proposed to be taken or omitted by the Trustee under this Series Trust Agreement
and the date on and/or after which such action shall be taken or such omission
shall be effective, if, but only if, the obligations of the Trustee with respect
to such proposed action or omission, in the view of the Trustee, are not set
forth reasonably clearly in this Series Trust Agreement. The Trustee shall not
be liable for any action taken by, or omission of, the Trustee in accordance
with a proposal included in such application on or after the date specified in
such application (which date shall not be less than ten (10) Business Days after
the date a Responsible Officer of the Depositor actually receives such
application, unless any such Responsible Officer shall have consented in writing
to any earlier date) unless, prior to taking any such action (or the effective
date in the case of an omission), the Trustee shall have received written
instructions in response to such application specifying the action to be taken
or omitted; provided, however, that this provision shall not protect the Trustee
from liability for any action or omission constituting willful misconduct, bad
faith or negligence.

         Section 5.09. Obligation of the Depositor. (a) The Depositor shall:

         (i) on behalf of the Trust, prepare and file with the Commission,
     following the execution thereof by the Trustee if so requested by the
     Depositor, and file with the Trustee, within 15 days

                                      B-23
<PAGE>   34
     after the Depositor on behalf of the Trust is required to file the same
     with the Commission, copies of the annual reports and of the information,
     documents and other reports (or copies of such portions of any of the
     foregoing as the Commission may from time to time by rules and regulations
     prescribe), if any, which the Depositor on behalf of the Trust may be
     required to file with the Commission pursuant to Section 13 or 15(d) of the
     Exchange Act (collectively, "reports") with respect to the Trust. A copy of
     each such report shall be provided to the Trustee at least 10 Business Days
     prior to the date required for filing. The names of such reports and the
     dates on which they are required to be filed with the Commission shall be
     specified to the Trustee by the Depositor within 180 days after the Closing
     Date;

         (ii) file with the Trustee, within 15 days after the Depositor is
     required to file the same with the Commission, such additional information,
     documents and reports with respect to compliance by the Depositor with the
     conditions and covenants of this Agreement, if any, as may be required to
     be filed with the Commission from time to time by such rules and
     regulations;

         (iii) supply to the Trustee (and the Trustee shall transmit by mail to
     all Holders described in TIA Section 313 (c), in the manner and to the
     extent provided therein) such summaries of any information, documents and
     reports required to be filed by the Depositor pursuant to clauses (i) and
     (ii) of this Section 5.09(a), if any, as may be required by rules and
     regulations prescribed from time to time by the Commission; and

         (iv) after an Available Information Event, on behalf of the Trust,
     prepare and file with the Commission, following the execution thereof by
     the Trustee if so requested by the Depositor, and file with the Trustee,
     within 15 days after the Depositor on behalf of the Trust is required to
     file the same with the Commission, reports of the kind referred to in
     clause (i) of this Section 5.09(a) with respect to the Issuer of the Bonds,
     to the extent such reports are then available to the Depositor, for as long
     as the Depositor on behalf of the Trust is required to file such reports
     under the Exchange Act. Such reports shall include quarterly and annual
     financial statements and other information of the type required to be filed
     on Form 8-K under the Exchange Act with respect to the Issuer of the Bonds.
     A copy of each such report shall be provided to the Trustee at least 10
     Business Days prior to the date required for filing. If such reports and
     information are not available to the Depositor at a time when such reports
     and information are required to be filed with the Commission by the
     Depositor on behalf of the Trust, the Depositor shall cause the removal of
     the Certificates from the DTC book-entry system as set forth in Section
     2.08(iv)(5) of this Agreement and shall notify the Issuer that the Holders
     of Certificates constitute record holders of the Bonds for purposes of the
     Exchange Act.

         (b) The Depositor shall deliver to the Trustee, not less often than
annually, an Officer's Certificate signed by an Authorized Officer who is the
principal executive officer, principal financial officer or principal accounting
officer of the Depositor, dated as of the date set forth in the Series Trust
Agreement for such year, stating that:

                                      B-24
<PAGE>   35
         (i) a review of the activities of the Depositor during such fiscal year
     and of performance under this Agreement has been made under such Authorized
     Officer's supervision; and

         (ii) to the best of such Authorized Officer's knowledge, based on such
     review, the Depositor has fulfilled all of its obligations under this
     Agreement throughout such year, or, if there has been a default in the
     fulfillment of any such obligation, specifying each such default known to
     such Authorized Officer and the nature and status thereof. A copy of such
     certificate may be obtained by any Holder by a request in writing to the
     Depositor addressed to the Corporate Trust Office of the Trustee.

         (c) If and only if the Series Trust Agreement provides for the pledge
of the Bonds to the Trustee (and not merely the transfer, assignment, conveyance
and sale, without recourse, thereof to the Trustee), on the Closing Date, the
Depositor shall furnish to the Trustee an Opinion of Counsel either stating
that, in the opinion of such counsel, such action has been taken with respect to
the recording and filing of this Agreement, any agreements supplemental hereto
and any other requisite documents, and with respect to the execution and filing
of any financing statements and continuation statements as are necessary to
perfect and make effective the lien and security interest of this Agreement and
reciting the details of such action, or stating that, in the opinion of such
counsel, no such action is necessary to make such lien and security interest
effective.

         (d) If and only if the Series Trust Agreement provides for the pledge
of the Bonds to the Trustee (and not merely the transfer, assignment, conveyance
and sale, without recourse, thereof to the Trustee), at least annually after the
Closing Date, the Depositor shall furnish to the Trustee an Opinion of Counsel
either stating that, in the opinion of such counsel, such action has been taken
with respect to the recording, filing, re-recording and refiling of this
Agreement, any agreements supplemental hereto and any other requisite documents
and with respect to the execution and filing of any financing statements and
continuation statements as is necessary to maintain the lien and security
interest created by this Agreement and reciting the details of such action or
stating that in the opinion of such counsel no such action is necessary to
maintain the lien and security interest created by this Agreement. Such Opinion
of Counsel shall also describe the recording, filing, re-recording and refiling
of this Agreement, any agreements supplemental hereto and any other requisite
documents and the execution and filing of any financing statements and
continuation statements that will, in the opinion of such counsel, be required
to maintain the lien and security interest of this Agreement until such date in
the following calendar year.

         (e) If and only if the Series Trust Agreement provides for the pledge
of the Bonds to the Trustee (and not merely the transfer, assignment, conveyance
and sale, without recourse, thereof to the Trustee),

         (i) whenever any property or securities are to be released from the
     lien of this Agreement, the Depositor shall furnish to the Trustee an
     Officer's Certificate of the Depositor certifying or stating the opinion of
     each Person signing such certificate as to the fair value (within 90 days
     of such release) of the property or securities proposed to be released and
     stating that in the opinion

                                      B-25
<PAGE>   36
     of such Person the proposed release will not impair the security under this
     Agreement in contravention of the provisions hereof.

         (ii) whenever the Depositor is required to furnish to the Trustee an
     Officer's Certificate of the Depositor certifying or stating the opinion of
     any signatory thereof as to the matters described in clause (i) above, the
     Depositor shall also furnish to the Trustee an Independent Certificate as
     to the same matters if the fair value of the property or securities and of
     all other property or securities released from the lien of this Agreement
     since the commencement of the then current calendar year, as set forth in
     the certificates required by clause (i) above and this clause (ii), equals
     10% or more of the principal amount of the Outstanding Certificates, but
     such certificate need not be furnished in the case of any release of
     property or securities if the fair value thereof as set forth in the
     related Officer's Certificate of the Depositor is less than $25,000 or less
     than one percent of the then principal amount of the Outstanding
     Certificates.

         (iii) prior to the deposit with the Trustee of any securities that is
     to be made the basis for the authentication and delivery of Certificates,
     the withdrawal of cash constituting a part of the trust estate or the
     release of any property or securities subject to the lien of this
     Agreement, the Depositor shall furnish to the Trustee an Officer's
     Certificate of the Depositor certifying or stating the opinion of each
     Person signing such certificate as to the fair value (within 90 days of
     such deposit) to the Depositor of the securities to be so deposited.

         (iv) whenever the Depositor is required to furnish to the Trustee an
     Officer's Certificate of the Depositor described in clause (iii) above, the
     Depositor shall also deliver to the Trustee an Independent Certificate as
     to the same matters, if the fair value to the Depositor of the securities
     to be so deposited and of all other such securities made the basis of any
     such withdrawal or release since the commencement of the then current
     fiscal year of the Depositor, as set forth in the certificates delivered
     pursuant to clause (iii) above and this clause (iv), is 10% or more of the
     principal amount of the Outstanding Certificates, but such a certificate
     need not be furnished with respect to any securities so deposited, if the
     fair value thereof to the Depositor as set forth in the related Officer's
     Certificate of the Depositor is less than $25,000 or less than one percent
     of the principal amount of the Outstanding Certificates.

         (v) subject to the payment of its fees and expenses hereunder, the
     Trustee may, and when required by the provisions of this Agreement, shall,
     execute instruments to release property from the lien of this Agreement, or
     convey the Trustee's interest in the same, in a manner and under
     circumstances that are consistent with the provisions of this Agreement. No
     party relying upon an instrument executed by the Trustee in connection
     therewith shall be bound to ascertain the Trustee's authority, inquire into
     the satisfaction of any conditions precedent or see to the application of
     any moneys.

         (vi) the Trustee shall at such time as there are no Outstanding
     Certificates and all sums due to the Trustee hereunder have been paid,
     release any remaining portion of the trust estate that

                                      B-26
<PAGE>   37
     secured the Certificates from the lien of this Agreement and release to the
     Depositor or any other Person entitled thereto any funds then included in
     the trust estate.

         (f) Upon any application or request by the Depositor to the Trustee to
take any action under the provisions of this Agreement, which action is subject
to the satisfaction of a condition precedent (including any covenants compliance
with which constitutes a condition precedent), the Depositor shall furnish to
the Trustee: (i) an Officer's Certificate stating that all conditions precedent,
if any, provided for in this Agreement relating to the proposed action have been
complied with, (ii) an Opinion of Counsel stating that in the opinion of such
counsel all such conditions precedent, if any, have been complied with and (iii)
(if required by the TIA) an Independent Certificate from a firm of certified
public accountants meeting the applicable requirements of the TIA, except that,
in the case of any such application or request as to which the furnishing of
such documents is specifically required by any provision of this Agreement, no
additional certificate or opinion need be furnished. Every certificate or
opinion with respect to compliance with a condition or covenant provided for in
this Agreement shall include:

         (i) a statement that such signatory of such certificate or opinion has
     read or has caused to be read such covenant or condition and the
     definitions herein relating thereto;

         (ii) a brief statement as to the nature and scope of the examination or
     investigation upon which the Statements or opinions contained in such
     certificate or opinion are based;

         (iii) a statement that, in the judgment of each such signatory, such
     signatory has made such examination or investigations as is necessary to
     enable such signatory to express an informed opinion as to whether or not
     such covenant or condition has been complied with; and

         (iv) a statement as to whether, in the opinion of each such signatory,
     such condition or covenant has been complied with.

         Section 5.10. Preferential Collection of Claims Against Depositor. The
Trustee shall comply with TIA Section 311(a), excluding any creditor
relationship listed in TIA Section 311(b). A trustee who has resigned or been
removed shall be subject to TIA Section 311(a) to the extent required by TIA
Section 311(a).

         Section 5.11. Resignation and Removal of the Trustee; Appointment of
Successor Trustee. The Trustee may at any time resign as Trustee hereunder by
written notice of its election so to do, delivered to the Depositor and the
Rating Agency as provided in Section 9.04 hereof, and such resignation shall
take effect upon the appointment of a successor Trustee and its acceptance of
such appointment as hereinafter provided. The Depositor may at any time
(including such time as the Trustee fails to comply with Section 5.01) remove
the Trustee as Trustee hereunder by written notice of its election to do so,
delivered to the Trustee and the Rating Agency as provided in Section 9.04
hereof, and such removal shall take effect upon the appointment of a successor
Trustee and its acceptance of such appointment as provided in the third
succeeding paragraph; provided, however, that

                                      B-27
<PAGE>   38
in the event of such removal, the Depositor shall negotiate in good faith with
the Trustee in order to agree regarding payment of the termination costs of the
Trustee resulting from such removal. Upon the designation of a successor Trustee
following either resignation by or removal of the Trustee, the Trustee shall
deliver to the successor Trustee all records relating to the Certificates in the
form and manner then maintained by the Trustee, which shall include a hard copy
thereof upon request of the successor Trustee.

         If at any time the Trustee shall become incapable of acting or shall be
adjudged a bankrupt or insolvent, or a receiver of the Trustee or of its
property shall be appointed, or any public officer shall take charge or control
of the Trustee or of its property or affairs for the purpose of rehabilitation,
conservation or liquidation, or the Trustee shall fail to comply with Section 5.
01, then any Holder of a Certificate with respect to a particular issue of Bonds
which has been such a Holder for at least six (6) months or the Holders of
Outstanding Certificates representing ten percent (10%) of the Voting Rights for
the Outstanding Certificates of a series which is outstanding at such time may,
on behalf of himself, herself or themselves and all others similarly situated,
petition any court of competent jurisdiction for the removal of the Trustee with
respect to the Bonds evidenced by such Certificates and the appointment of a
successor Trustee.

         In the event the Trustee resigns or is removed, the Trustee shall
reimburse the Depositor for any fees or charges previously paid to the Trustee
in respect of duties not yet performed under this Agreement which remain to be
performed by a successor Trustee and the Trustee shall promptly notify the
Rating Agency of its resignation or removal and any successor Trustee shall
promptly notify the Rating Agency of its appointment as provided in Section 9.04
hereof.

         In case at any time the Trustee acting hereunder notifies the Depositor
that it elects to resign or the Depositor notifies the Trustee that it elects to
remove the Trustee as Trustee, the Depositor shall, within ninety (90) days
after the delivery of the notice of resignation or removal, appoint a successor
Trustee, which shall be a bank with trust powers or a trust company having its
principal office in the United States of America and having a combined capital
and surplus of at least $50,000,000 and which is rated at least investment grade
by the Rating Agency. If no successor Trustee has been appointed as successor
Trustee within ninety (90) days after the Trustee has given written notice of
its election to resign or the Depositor has given written notice to the Trustee
of its election to remove the Trustee, as the case may be, the Trustee may
petition any court of competent jurisdiction for the appointment of a successor
Trustee. Every successor Trustee shall execute and deliver to its predecessor
and to the Depositor an instrument in writing accepting its appointment
hereunder, and thereupon such successor Trustee, without any further act or
deed, shall become fully vested with all the rights, powers, duties and
obligations of its predecessor and for all purposes shall be the Trustee under
this Agreement, and such predecessor, upon payment of all sums due it and on the
written request of the Depositor, shall execute and deliver an instrument
transferring to such successor all rights, obligations and powers of such
predecessor hereunder, and shall duly assign, transfer and deliver all right,
title and interest in the Bonds and parts thereof to such successor. Any
successor Trustee shall promptly give notice of its appointment to the Holders
of Certificates for which it is successor Trustee as provided in Section 9.04
hereof.

                                      B-28
<PAGE>   39
         Any corporation into or with which the Trustee may be merged,
consolidated or converted shall be the successor of such Trustee without the
execution or filing of any document or any further act.

         Section 5.12. Indemnification by the Depositor. The Depositor agrees to
indemnify the Trustee and any of its agents, officers, directors or employees
for, and to hold them harmless against, any loss, liability or expense arising,
directly or indirectly, out of, relating to, or in connection with the
acceptance, administration or performance of their duties, or the duties of the
Trustee, as well as the costs and expenses of defending themselves against any
action, suit, or other proceeding involving any claim or liability arising,
directly or indirectly, out of, relating to or in connection with, this
Agreement, the Initial Trust Agreement or the exercise or performance of any of
their powers or duties hereunder or thereunder, other than any loss, liability
or expense arising out of (i) negligence, willful misconduct or bad faith on the
part of the Trustee or any of its agents, officers, directors or employees, or
(ii) any charges, fees or reimbursements that are expressly required by this
Agreement to be paid by the Holders or for which the Holders are expressly
required by this Agreement or have elected pursuant to the terms of this
Agreement to provide security or indemnity to the Trustee. Failure of the
Depositor to fulfill its obligations hereunder shall not relieve the Trustee
from fulfilling its duties under this Agreement.

         Any Person that proposes to assert the right to be indemnified under
this Section 5.12 (any such Person, an "Indemnified Party") shall, promptly
after receipt of notice of commencement of any action against such party in
respect of which a claim is to be made against the Depositor under this Section
5.12, notify the Depositor of the commencement of such action, enclosing a copy
of all papers served, but the omission so to notify the Depositor shall not
relieve the Depositor from any liability that it may have to such Indemnified
Party under the foregoing provisions of this Section 5.12 unless, and only to
the extent that, such omission results in the forfeiture of rights or defenses
by the Depositor. If any such action is brought against an Indemnified Party and
it notifies the Depositor of its commencement, the Depositor shall be entitled
to participate in and, to the extent that it elects by delivering written notice
to the Indemnified Party promptly after receiving notice of the commencement of
the action from the Indemnified Party, to assume the defense of the action, with
counsel satisfactory to the Indemnified Party, and after notice from the
Depositor to the Indemnified Party of its election to assume the defense, the
Depositor shall not be liable to the Indemnified Party for any fees,
disbursements or other charges of counsel except as provided below and except
for the reasonable costs of investigation subsequently incurred by the
Indemnified Party in connection with the defense. The Indemnified Party shall
have the right to employ its own counsel in any such action, but the fees,
expenses and other charges of such counsel shall be at the expense of the
Indemnified Party unless (1) the employment of counsel by the Indemnified Party
has been authorized in writing by the Depositor, (2) the Indemnified Party has
reasonably concluded (based on advice of counsel) that there may be legal
defenses available to it or other Indemnified Parties that are different from or
in addition to those available to the Depositor, (3) a conflict or potential
conflict exists (based on advice of counsel to the Indemnified Party) between
the Indemnified Party and the Depositor (in which case the Depositor shall not
have the right to direct the defense of such action on behalf of the Indemnified
Party), or (4) the Depositor has not in fact employed counsel to assume the
defense of such action within 15 Business Days after receiving notice of the
commencement of the action, in each of which cases the reasonable

                                      B-29
<PAGE>   40
fees, disbursements and other charges of counsel shall be at the expense of the
Depositor. It is understood that the Depositor shall not, in connection with any
proceeding or related proceedings in the same jurisdiction, be liable for the
reasonable fees, disbursements and other charges of more than one separate firm
admitted to practice in such jurisdiction at any one time for all Persons
entitled to indemnification hereunder. All such fees, disbursements and other
charges shall be reimbursed by the Depositor promptly as they are incurred. The
Depositor shall not be liable for any settlement of any action or claim effected
without its written consent (which consent shall not be unreasonably withheld).
The Depositor shall not, without the prior written consent of each Indemnified
Party, settle or compromise or consent to the entry of any judgment in any
pending or threatened claim, action or proceeding relating to the matters
contemplated by this Section 5.12 (whether or not any Indemnified Party is a
party thereto), unless such settlement, compromise or consent includes an
unconditional release of each Indemnified Party from all liability arising or
that may arise out of such claim, action or proceeding. Notwithstanding any
other provision of this Section 5.12, if at any time an Indemnified Party shall
have requested the Depositor to reimburse the Indemnified Party for fees and
expenses of counsel, the Depositor agrees that it shall be liable for any
settlement effected without its written consent if (i) such settlement is
entered into more than 45 days after receipt by the Depositor of the aforesaid
request, (ii) the Depositor shall have received notice of the terms of such
settlement at least 30 days prior to such settlement being entered into, and
(iii) the Depositor shall not have reimbursed the Indemnified Party in
accordance with such request prior to the date of such settlement.

         The term "liability," as used in this Section 5.12, shall include any
losses, claims, damages, expenses (including without limitation the Trustee's
costs and expenses in defending itself against any losses, claims or
investigations of any nature whatsoever to the extent the Trustee is not
reimbursed as contemplated in this Section 5.12) or other liabilities, joint or
several, arising for any reason (including without limitation violation of
applicable laws or trademarks or service marks).

         The obligations of the Depositor under this Section 5.12 (i) shall be
in addition to any liability which the Depositor may otherwise have, (ii) shall
extend, upon the same terms and conditions, to each officer and director of the
Trustee and to each Person, if any, who controls the Trustee within the meaning
of the Securities Exchange Act of 1934, as amended and (iii) shall survive the
termination of this Agreement and the resignation or removal of the Trustee.

         Section 5.13. Undertaking for Costs. All parties to this Agreement
agree, and each Holder of any Certificate by such Holder's acceptance thereof
shall be deemed to have agreed, that any court may in its discretion require, in
any Proceeding for the enforcement of any right or remedy under this Agreement,
or in any Proceeding against the Trustee for any action taken, suffered or
omitted by it as Trustee, the filing by any party litigant in such Proceeding of
an undertaking to pay the costs of such Proceeding and that such court may in
its discretion assess reasonable costs, including reasonable attorneys, fees,
against any party litigant in such Proceeding, having due regard to the merits
and good faith of the claims or defenses made by such party litigant; but the
provisions of this Section 5.13 shall not apply to:

         (a) any Proceeding instituted by the Trustee;

                                      B-30
<PAGE>   41
         (b) any Proceeding instituted by any Holder, or group of Holders, in
     each case holding in the aggregate Outstanding Certificates representing
     more than 10% of the Voting Rights; or

         (c) any Proceeding instituted by any Holder for the enforcement of the
     payment of Principal or Interest on or after the respective due dates
     expressed in such Certificate and in this Agreement (or, in the case of
     redemption, on or after the Redemption Date).

         Section 5.14. Charges and Expenses. Except as otherwise provided in
this Agreement, (i) no current or future charges, fees and expenses of the
Trustee shall be payable by or withheld from any Person other than the
Depositor, except for any taxes and other governmental charges, and (ii) in full
payment and satisfaction of all other charges and expenses of the Trustee
(including, in each case, fees and expenses of counsel) incidental to the
performance of its obligations hereunder, the Depositor shall pay the Trustee an
amount determined in accordance with a separate agreement between it and the
Trustee. The Trustee shall not be released from any of its duties hereunder as a
result of the failure of the Depositor to pay such amount.

         Section 5.15. Trustee Reports. So long as the Certificates are held in
DTC's book-entry only system, annual unaudited reports setting forth the amounts
of payments on the Certificates, and whether such amounts are principal or
interest shall be prepared by the Trustee and sent to DTC. To the extent the
Depositor fails to provide the Trustee with a copy of any report referred to in
Section 5.09(a) (i) or (iv) herein prior to the 10th Business Day preceding the
applicable filing date therefor as required by such provisions, the Trustee
shall request the Depositor to prepare and file such report and, if the
Depositor fails to do so, shall cause such report to be prepared and filed and
the Depositor shall reimburse the Trustee for its reasonable expenses incurred
in connection therewith. Any such expenses not reimbursed by the Depositor shall
be borne by the Holders.

                                   ARTICLE VI

                           HOLDERS' LISTS AND REPORTS

         Section 6.01. Depositor to Furnish Names and Addresses of Holders to
Trustee. The Depositor shall furnish or cause to be furnished to the Trustee not
more than five days before each Interest Payment Date or Redemption Date, and at
such other times as the Trustee may request in writing, a list, in such form as
the Trustee may reasonably require, to the extent such information is in the
possession or control of the Depositor or any of its paying agents, of the
Holders of Certificates as of the close of business on the applicable record
date of the underlying Bonds; provided, however, that so long as the Trustee
maintains the Certificate Register, no such list shall be required to be
furnished.

                                      B-31
<PAGE>   42
         Section 6.02. Preservation of Information, Communications to Holders.

         (a) The Trustee shall preserve, in as current a form as is reasonably
practicable, the names and addresses of the Holders of Certificates contained in
the most recent list furnished to the Trustee as provided in Section 6.01 and
the names and addresses of Holders of Certificates received by the Trustee in
its capacity as Certificate registrar. The Trustee may destroy any list
furnished to it as provided in such Section 6.01 upon receipt of a new list so
furnished.

         (b) Holders shall have the right to communicate pursuant to TIA Section
312 (b) with other Holders with respect to their rights under this Agreement or
under the Certificates.

         (c) The Depositor, the Trustee and the Certificate registrar shall have
the protection of TIA Section 312(c).

         Section 6.03. Reports by Trustee. If required by TIA Section 313 (a),
within 60 days after December 31 of each year, the Trustee shall mail to (i)
each Holder as required by TIA Section 313 (c) and (ii) the Depositor, a brief
report dated as of such date that complies with TIA Section 313 (a). The Trustee
also shall comply with TIA Section 313(b). A copy of any report delivered
pursuant to this Section 6.03 shall, at the time of its mailing to Holders and
the Depositor, be filed by the Trustee with the Commission and each stock
exchange, if any, on which the Certificates are listed. The Depositor shall
notify the Trustee if and when the Certificates are listed on any stock
exchange.

                                   ARTICLE VII

                            AMENDMENT AND TERMINATION

         Section 7.01. Amendment. The form of the Certificates and any
provisions of this Agreement may at any time and from time to time be amended by
agreement between the Depositor and the Trustee in any respect which they may
deem necessary or desirable, provided that in no event shall any amendment defer
or alter the maturity of a Certificate, or in other manner adversely affect the
rights to payment of a Holder of a Certificate or otherwise materially prejudice
any substantial existing right of the Holders of the Certificates; and provided
further that at the time of any amendment the Trustee shall be provided evidence
that the rating on the Certificates by the Rating Agency will not be lowered or
withdrawn as a result of the amendment. Every Holder of a Certificate at the
time any such amendment so becomes effective shall be deemed to be continuing to
hold such Certificate, to consent and agree to such amendment and to be bound by
this Agreement as amended thereby. Prior to entering into any amendment to the
form of the Certificates or this Agreement, the Trustee shall be entitled to
receive an Opinion of Counsel to the effect that such amendments are authorized
or permitted by this Agreement and that all conditions precedent to the
execution and delivery of such amendments have been satisfied. The costs of
providing such Opinion of Counsel shall be borne by the Holders requesting that
the Trustee execute and deliver such amendment. The Trustee shall notify the
Holders of the estimated expense of any such Opinion of Counsel.

                                      B-32
<PAGE>   43
         Section 7.02. Termination. This Agreement shall terminate one year
following the payment upon maturity (or any earlier redemption) by the
respective Issuers of the entire principal amount (and any redemption premium)
of the Bonds or, in the event of a default on the Bonds, one year following
receipt by the Holders of all amounts to which the Holders are entitled pursuant
to Section 5.03(b) hereof. If any Certificates shall remain outstanding after
the date of termination of this Agreement, the Trustee shall not perform any
further acts under this Agreement, except that the Trustee shall hold the
proceeds of any payment, without liability for interest, for the pro rata
benefit of the Holders of Certificates which have not theretofore been
surrendered for payment unless otherwise required by applicable law. Upon the
termination of this Agreement, the Depositor shall be discharged from all
obligations under this Agreement except for its obligations to the Trustee under
Sections 5.14 and 5.12 hereof.

                                  ARTICLE VIII

                           REDEMPTION OF CERTIFICATES

         Section 8.01. Redemption. If the Bonds are redeemed in whole or in part
on or after the First Call Date, upon actual receipt by the Trustee of notice of
such redemption, the Trustee shall, in accordance with the provisions of this
Article VIII, redeem a principal amount of Pooled Certificates, Callable
Principal Certificates or Callable Stripped Bond Certificates, as applicable,
equal to the principal amount of the Bonds of such issue held in trust hereunder
so redeemed, and if the Bonds are redeemed in part, then the Trustee shall
select the Certificates to be redeemed by lot in such manner as the Trustee
deems fair and appropriate. In the absence of the actual notice described in
this Section 8.01, the Trustee shall be under no obligation to effect the
redemption required by this Section 8.01. Upon redemption of any Certificate,
the Holder shall have no right to receive payments on any Interest maturing
after the Redemption Date.

         Section 8.02. Notice of Redemption. Notice of redemption shall be given
by the Trustee to each Holder of any Certificate to be redeemed as provided in
Section 9.04 hereof within thirty (30) days after notice of redemption of the
underlying Bonds has been given by the Issuer, trustee or paying agent of or for
the Bonds, as the case may be (but not less than fifteen days prior to the
redemption date); provided, however, that the Trustee shall not be required to
give any notice of redemption less than five (5) Business Days after the date it
receives notice of such redemption. All notices of redemption shall be mailed to
each Holder at such Holder's last address on the Certificate Register and shall
state the Redemption Date, the date the Certificates are to be redeemed, the
amount payable on such date, the place at which Certificates are to be
surrendered for payment and that interest on amounts redeemed shall cease to
accrue on and after the Redemption Date.

                                      B-33
<PAGE>   44
                                   ARTICLE IX

                                  MISCELLANEOUS

         Section 9.01. Exclusive Benefit of Parties and Holders of Certificates;
Effective Date. This Agreement is for the exclusive benefit of the parties
hereto, their respective successors hereunder, and Holders of Certificates, and
shall not be deemed to give any legal or equitable right, remedy or claim to any
other Person whatsoever. The Holders from time to time shall be beneficiaries of
this Agreement and shall be bound by all the terms and conditions hereof and of
the Certificates by acceptance of delivery thereof. This Agreement shall become
effective as to the Trustee and the Depositor for each series of Certificates
upon the execution of the Series Trust Agreement for such series by the Trustee
and Depositor and the receipt by the Trustee of the Bonds deposited therewith.

         Section 9.02. Invalidity of Provisions. In case any one or more of the
provisions contained in this Agreement or contained in the Certificates should
be or become invalid, illegal or unenforceable in any respect, the validity,
legality and enforceability of the remaining provisions contained herein or
therein shall in no way be affected, prejudiced or disturbed thereby.

         Section 9.03. Conflict with Trust Indenture Act.

         (a) If any provision hereof limits, qualifies or conflicts with another
provision hereof that is required to be included in this Agreement by any of the
provisions of the TIA, such required provision shall control.

         (b) The provisions of TIA Sections 310 through 317 that impose duties
on any Person (including the provisions automatically deemed included herein
unless expressly excluded by this Agreement) are a part of and govern this
Agreement, whether or not physically contained herein.

         Section 9.04. Notices. Any and all notices to be given to the Depositor
shall be deemed to have been duly given if personally delivered or sent by mail,
first class, post prepaid, or telegram or telex or facsimile confirmed by letter
addressed to the Depositor at the Depositor Address set forth in the Series
Trust Agreement relating to Certificates evidencing Bonds deposited by the
Depositor, or at any other place as the Depositor shall notify the Trustee in
writing from time to time.

         Any and all notices to be given to the Trustee shall be deemed to have
been duly given if personally delivered or sent by mail, first class, post
prepaid, or facsimile confirmed by letter addressed to the Trustee at the
Trustee Address set forth for notice to the Trustee in the Series Trust
Agreement, or to such other place which the Trustee may have designated in
writing to the Depositor.

         Any and all notices to be given to the Rating Agency shall be deemed to
have been duly given if personally delivered or sent by mail, first class, post
prepaid, or facsimile confirmed by letter addressed to the Rating Agency at the
Rating Agency Address set forth in the Series Trust Agreement,

                                      B-34
<PAGE>   45
or to such other place which the Rating Agency may have designated in writing to
the Depositor and the Trustee.

         All other notices to be given to any Holder shall be deemed to have
been duly given if given by mail, first-class postage prepaid, to each Holder at
such Holder's address as it appears in the Certificate Register. Neither the
failure to mail such notice, nor any defect in any notice so mailed, to any
particular Holder shall affect the sufficiency of such notice with respect to
other Holders.

         All notices specified to be given "promptly" hereunder shall be given
no later than the second Business Day after the event which results in the
requirement that the notice be delivered.

         Section 9.05. Governing Law; Forum. This Agreement and the Certificates
shall be governed by, and construed in accordance with, the laws of the State of
New York. Any action or proceeding alleging a breach of an obligation under this
Agreement shall be prosecuted only in a state or federal court located in the
State of New York, County of New York.

         Section 9.06. Headings. The headings of articles and sections in this
Agreement have been inserted for convenience only and are not to be regarded as
a part of this Agreement or to have any bearing upon the meaning or
interpretation of any provision contained herein or in the Certificates.

         Section 9.07. Covenant of Depositor and Trustee Not to Place Trust in
Bankruptcy. Each party hereto covenants that it shall not, until at least one
year and one day after the termination of this Agreement, take any action to
file an involuntary bankruptcy petition against the Trust or cause the Trust to
file a voluntary bankruptcy petition.

         Section 9.08. Trust Not to Merge. For so long as any Certificate
remains outstanding, the Trust shall not merge or consolidate with or into any
Person, or transfer all or substantially all of its assets to any Person.

         Section 9.09. Incurrence of Indebtedness. For so long as any
Certificate remains outstanding, the Trust shall not create, assume, incur,
suffer to exist or otherwise become or remain liable in respect of any
indebtedness.

                                      B-35
<PAGE>   46
                                                                       EXHIBIT C
                                                                 TO SERIES TRUST
                                                                       AGREEMENT


                               TRUST CERTIFICATES
                                    issued by
                      CABCO TRUST FOR BELLSOUTH DEBENTURES

                               POOLED CERTIFICATE
                     (principal amount $25 per certificate)
              For a Pro Rata Share of All Interest Payments on the
                 Underlying Bonds and All Principal Payments and
             Redemption Premium, If Any, Due on the Stated Maturity
         Date Indicated Below or on any Previous Call for Redemption on

          BellSouth Telecommunications, Inc. 6 3/4% Debentures Due 2033

Certificate No. 1                  Face Amount:  $45,000,000

                                   Number of Certificates:  1,800,000

CUSIP No.: 126795 20 2             Stated Maturity Date:   October 15, 2033

         CEDE & CO., or registered assigns, is the owner of the face amount set
forth above of certificates evidencing 100% beneficial ownership of CABCO Trust
for BellSouth Debentures (the "Issuer"), whose sole asset consists of
$45,000,000 of BellSouth Telecommunications, Inc. 6 3/4% Debentures Due 2033
(the "Bonds"). The sole obligor with respect to such Bonds is the issuer of the
Bonds named above (the "Underlying Issuer") or any other entities obligated to
make payments to or on behalf of the Underlying Issuer (or their trustees or
other applicable fiduciaries) with respect to the Bonds. The Bonds are being
held in a trust account by United States Trust Company of New York, as Trustee,
pursuant to the terms of a Amended and Restated Trust Agreement dated as of
March 25, 1999 (the "Agreement"), including the Standard Terms and Provisions of
Series Trust Agreement appended thereto and all other exhibits, schedules,
appendices, supplements and amendments thereto, between Corporate Asset Backed
Corporation, as Depositor, and the Trustee, pursuant to which this and other
certificates (the "Certificates"), evidencing the right to receive all interest
and principal payments, including the redemption premiums, if any, but excluding
the Retained Amount (as defined in the Agreement), if any, on the Bonds, are
executed and delivered by the Trustee. This Certificate is subject to the
provisions of and is entitled to the benefits of the Agreement, which may be
inspected by the holder hereof at the Designated Office in New York City of the
Trustee. The owner of this Certificate, by its acceptance hereof, agrees to be
bound by the terms and conditions of the Agreement. Capitalized terms used but
not defined herein shall have the meanings set forth in the Agreement.

         UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF
THE DEPOSITORY TRUST COMPANY, A NEW YORK
<PAGE>   47
CORPORATION ("DTC"), TO ISSUER OR ITS AGENT FOR REGISTRATION OF TRANSFER,
EXCHANGE, OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF
CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE
OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS
REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE, OR
OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH
AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.

         The Bonds will be held in an account of the Trustee at DTC in
book-entry credit form. The Trustee will pay to the Holder of this Certificate
its pro rata share of all amounts received as payments on the Bonds, promptly
after receipt, less any amounts required to be withheld from or by the Trustee
pursuant to applicable law, in lawful money of the United States of America, (i)
if the Holder is The Depository Trust Company ("DTC") or its nominee or any
successor depository or nominee thereof, by wire transfer of immediately
available funds, and (ii) if the Holder is any other person, by check in
immediately available funds sent by first-class mail to the address of the
Holder hereof set forth in the Certificate Register.

         In the event the Trustee receives money or other property in connection
with the payment of principal (or actual notice that such moneys or other
property will be received), other than in connection with a redemption, prior to
the Stated Maturity Date, the Trustee shall promptly give notice, as provided in
the Agreement, to the Holder. Such notice shall state that, not later than
ninety (90) days after the receipt of such moneys or other property, the Trustee
shall distribute such moneys or other property pro rata to the Holders of
Certificates.

         As provided in the Agreement and subject to certain limitations therein
set forth, the transfer of this Certificate is registrable in the Certificate
Register, upon surrender of this Certificate for registration of transfer at the
corporate trust office of the Trustee at 114 West 47th Street in New York, New
York 10036-1532, duly endorsed by, or accompanied by a written instrument of
transfer in form satisfactory to the Trustee duly executed by, the Holder hereof
or such Holder's attorney duly authorized in writing, and thereupon one or more
new Certificates of the same series having the Stated Maturity Date set forth on
the face hereof, of Authorized Denominations of $25 or greater multiples of $25,
and having the same aggregate face amount, will be issued to the designated
transferee or transferees. Under the Agreement, the Trustee is required, when
making any payment to a Holder, to round down such payment to the nearest whole
cent.

         The Certificates are issuable only in registered form in Authorized
Denominations. As provided in the Agreement and subject to certain limitations
therein set forth, such Certificates are exchangeable for Certificates of the
same series, having the same Stated Maturity Date and of a like aggregate face
amount, as requested by the Holder surrendering the same.

                                       C-2
<PAGE>   48
         For any such registration of transfer or exchange, the Trustee may
require payment of the then applicable service charge and of a sum sufficient to
cover any tax or other governmental charge payable in connection therewith.

         Prior to due presentment of this Certificate for registration of
transfer, the Trustee and any agent of the Trustee may treat the person in whose
name this Certificate is registered as the owner hereof for all purposes,
whether or not this Certificate be overdue, and neither the Trustee nor any such
agent shall be affected by notice to the contrary.

                                       C-3
<PAGE>   49
         This Certificate shall not be valid or become obligatory for any
purpose unless and until duly executed by the Trustee by manual signature.

Dated:   May 12, 1999

                                       UNITED STATES TRUST COMPANY
                                       OF NEW YORK, as Trustee

                                       By:
                                          -------------------------------------
                                          Authorized Signatory

                                      Authentication

         This is one of the Certificates referred to in the within-mentioned
Trust Agreement.

                                       UNITED STATES TRUST COMPANY
                                       OF NEW YORK, as Trustee

                                       By:
                                          -------------------------------------
                                          Authorized Signatory

                                       C-4
<PAGE>   50
                                  TRANSFER FORM

         FOR VALUE RECEIVED, the undersigned hereby sells, assigns and transfers
unto

- ------------------------------------------------------------------------------

the within Certificate, and all rights thereunder, and hereby does irrevocably
constitute and appoint

- ------------------------------------------------------------------------------

attorney to transfer the within Certificate on the books kept for the
registration thereof, with full power of substitution in the premises.

Optional:

[Insert wire transfer instructions for transferee.] Neither the transferor nor
the Trustee shall have any responsibility for the accuracy of such wire transfer
instructions, if provided.

Dated:
      ------------------

                                       ----------------------------------------
                                       (Signature)

                                       NOTE: Signature must conform in every
                                       particular to the name in which this
                                       security is registered, without any
                                       alteration or change whatsoever.

                                       Signature must be guaranteed by an
                                       "eligible guarantor institution" meeting
                                       the requirements of the Trustee, which
                                       requirements include membership or
                                       participation in STAMP or such other
                                       "signature guarantee program" as may be
                                       determined by the Trustee in addition to,
                                       or in substitution for, STAMP, all in
                                       accordance with the Securities Exchange
                                       Act of 1934.

                                       C-5
<PAGE>   51
                                                                       EXHIBIT D
                                                                 TO SERIES TRUST
                                                                       AGREEMENT


                              OFFICER'S CERTIFICATE

                   OF UNITED STATES TRUST COMPANY OF NEW YORK

         The undersigned, being a Senior Vice President of United States Trust
Company of New York (the "Bank"), does hereby certify and agree on behalf of the
Bank, for the benefit of PaineWebber Incorporated, Corporate Asset Backed
Corporation ("CABCO") and the beneficial owners of the Certificates (as defined
below), that:

     1. The Amended and Restated Trust Agreement dated as of May 12, 1999,
including the Standard Terms and Provisions of Series Trust Agreement (the
"Trust Agreement"), between CABCO, as Depositor (the "Depositor"), and United
States Trust Company of New York, as Trustee (the "Trustee"), has been duly
executed and delivered in the name of and on behalf of the Bank.

     2. Pursuant to the provisions of Section 2.01 of the Trust Agreement, the
Trustee has issued $45,000,000 face amount of Trust Certificates (the
"Certificates").

     3. The Bank is a state chartered bank and trust company organized under the
laws of the State of New York whose deposits are insured by the FDIC, and has
the power to act as trustee with respect to the Certificates.

     4. Immediately prior to the transfer of any of the BellSouth
Telecommunications, Inc. 6 3/4% Debentures due 2033 (the "Bonds") to the Trustee
pursuant to the Trust Agreement, the Trustee did not have record or beneficial
ownership of such Bonds.

     5. By means of separate recordation upon the books of the Trustee, or by
physical segregation, if appropriate, the Bonds will always be segregated and
kept separate from the assets of the Bank and from all other trust or fiduciary
accounts, and will always be specifically identified as property held subject to
a trust. The Trust Agreement will always be maintained as an official record in
the books and records of the Trustee. The Trustee will always hold the Bonds as
required by the Trust Agreement, will always keep its trust records separate and
distinct from its other records, will always ensure its trust records are
complete, will always comply with all applicable laws, regulations, and rules
relating to the custody of assets held in a trust relationship, and will always
take whatever steps are necessary to ensure that, should the superintendent of
banks for the State of New York (the "Superintendent") take possession of the
Trustee, or a receiver or liquidator for the Trustee be appointed, at such time
the Bonds would be identifiable as property held subject to the trust
relationship by the Trust Agreement. At all times that the Bonds are credited to
an account maintained on behalf of the Trustee at The Depository Trust Company
of New York, the Bank will reflect on its records that the Bonds are held in a
trust account subject to the Trust Agreement, which account will contain no
property of the Trustee in its individual capacity.

                                      D-1
<PAGE>   52
     6. At no time will the Bank receive a loan or other credit from a third
person because of such third party's reliance upon the Bank's apparent ownership
of the beneficial interests in the Bonds.

     7. Each person who, on behalf of the Bank, executed the Trust Agreement was
at the date thereof and is now duly authorized as a signatory of the Bank and
duly authorized to perform such acts at the respective times of such acts and
the signatures of such persons appearing on such documents are their genuine
signatures.

     8. The Trust Agreement has been duly and validly authorized, executed and
delivered by the Bank and is enforceable against the Bank in accordance with its
terms, except as the enforceability thereof may be limited by bankruptcy,
insolvency or similar laws affecting creditors' rights generally and by general
principles of equity.

                            [SIGNATURE PAGE FOLLOWS]

                                       D-2
<PAGE>   53
         IN WITNESS WHEREOF, the undersigned has caused this certificate to be
duly executed.

                                       UNITED STATES TRUST COMPANY
                                       OF NEW YORK, as Trustee

                                       By
                                         --------------------------------------
                                         Name:  Thomas Musarra
                                         Title: Senior Vice President

Dated: May 12, 1999

                                       D-3

<PAGE>   1
                                                                       EXHIBIT 4
                                                                        DRAFT
                                                                    
                               TRUST CERTIFICATES
                                    issued by
                      CABCO TRUST FOR BELLSOUTH DEBENTURES

                               POOLED CERTIFICATE
                     (principal amount $25 per certificate)
              For a Pro Rata Share of All Interest Payments on the
                 Underlying Bonds and All Principal Payments and
             Redemption Premium, If Any, Due on the Stated Maturity
         Date Indicated Below or on any Previous Call for Redemption on

          BellSouth Telecommunications, Inc. 6 3/4% Debentures Due 2033

Certificate No. 1                      Face Amount:  $45,000,000

                                       Number of Certificates:  1,800,000

CUSIP No.: 126795 20 2                 Stated Maturity Date:   October 15, 2033

                  CEDE & CO., or registered assigns, is the owner of the face
amount set forth above of certificates evidencing 100% beneficial ownership of
CABCO Trust for BellSouth Debentures (the "Issuer"), whose sole asset consists
of $45,000,000 of BellSouth Telecommunications, Inc. 6 3/4% Debentures Due 2033
(the "Bonds"). The sole obligor with respect to such Bonds is the issuer of the
Bonds named above (the "Underlying Issuer") or any other entities obligated to
make payments to or on behalf of the Underlying Issuer (or their trustees or
other applicable fiduciaries) with respect to the Bonds. The Bonds are being
held in a trust account by United States Trust Company of New York, as Trustee,
pursuant to the terms of a Amended and Restated Trust Agreement dated as of
March 25, 1999 (the "Agreement"), including the Standard Terms and Provisions of
Series Trust Agreement appended thereto and all other exhibits, schedules,
appendices, supplements and amendments thereto, between Corporate Asset Backed
Corporation, as Depositor, and the Trustee, pursuant to which this and other
certificates (the "Certificates"), evidencing the right to receive all interest
and principal payments, including the redemption premiums, if any, but excluding
the Retained Amount (as defined in the Agreement), if any, on the Bonds, are
executed and delivered by the Trustee. This Certificate is subject to the
provisions of and is entitled to the benefits of the Agreement, which may be
inspected by the holder hereof at the Designated Office in New York City of the
Trustee. The owner of this Certificate, by its acceptance hereof, agrees to be
bound by the terms and conditions of the Agreement. Capitalized terms used but
not defined herein shall have the meanings set forth in the Agreement.
<PAGE>   2
                  UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED
REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION ("DTC"),
TO ISSUER OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE, OR PAYMENT, AND
ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER
NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS
MADE TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED
REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE, OR OTHER USE HEREOF FOR VALUE OR
OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER
HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.

                  The Bonds will be held in an account of the Trustee at DTC in
book-entry credit form. The Trustee will pay to the Holder of this Certificate
its pro rata share of all amounts received as payments on the Bonds, promptly
after receipt, less any amounts required to be withheld from or by the Trustee
pursuant to applicable law, in lawful money of the United States of America, (i)
if the Holder is The Depository Trust Company ("DTC") or its nominee or any
successor depository or nominee thereof, by wire transfer of immediately
available funds, and (ii) if the Holder is any other person, by check in
immediately available funds sent by first-class mail to the address of the
Holder hereof set forth in the Certificate Register.

                  In the event the Trustee receives money or other property in
connection with the payment of principal (or actual notice that such moneys or
other property will be received), other than in connection with a redemption,
prior to the Stated Maturity Date, the Trustee shall promptly give notice, as
provided in the Agreement, to the Holder. Such notice shall state that, not
later than ninety (90) days after the receipt of such moneys or other property,
the Trustee shall distribute such moneys or other property pro rata to the
Holders of Certificates.

                  As provided in the Agreement and subject to certain
limitations therein set forth, the transfer of this Certificate is registrable
in the Certificate Register, upon surrender of this Certificate for registration
of transfer at the corporate trust office of the Trustee at 114 West 47th Street
in New York, New York 10036-1532, duly endorsed by, or accompanied by a written
instrument of transfer in form satisfactory to the Trustee duly executed by, the
Holder hereof or such Holder's attorney duly authorized in writing, and
thereupon one or more new Certificates of the same series having the Stated
Maturity Date set forth on the face hereof, of Authorized Denominations of $25
or greater multiples of $25, and having the same aggregate face amount, will be
issued to the designated transferee or transferees. Under the Agreement, the
Trustee is required, when making any payment to a Holder, to round down such
payment to the nearest whole cent.

                  The Certificates are issuable only in registered form in
Authorized Denominations. As provided in the Agreement and subject to certain
limitations therein set forth, such Certificates are exchangeable for
Certificates of the same series, having the same Stated Maturity Date and of a
like aggregate face amount, as requested by the Holder surrendering the same.
<PAGE>   3
                  For any such registration of transfer or exchange, the Trustee
may require payment of the then applicable service charge and of a sum
sufficient to cover any tax or other governmental charge payable in connection
therewith.

                  Prior to due presentment of this Certificate for registration
of transfer, the Trustee and any agent of the Trustee may treat the person in
whose name this Certificate is registered as the owner hereof for all purposes,
whether or not this Certificate be overdue, and neither the Trustee nor any such
agent shall be affected by notice to the contrary.
<PAGE>   4
                  This Certificate shall not be valid or become obligatory for
any purpose unless and until duly executed by the Trustee by manual signature.

Dated:   May 12, 1999

                                       UNITED STATES TRUST COMPANY
                                       OF NEW YORK, as Trustee

                                       By:
                                          -------------------------------------
                                          Authorized Signatory

                                 Authentication

                  This is one of the Certificates referred to in the
within-mentioned Trust Agreement.

                                       UNITED STATES TRUST COMPANY
                                       OF NEW YORK, as Trustee

                                       By:
                                          -------------------------------------
                                          Authorized Signatory
<PAGE>   5
                                  TRANSFER FORM

                  FOR VALUE RECEIVED, the undersigned hereby sells, assigns and
transfers unto

- ------------------------------------------------------------------------------

the within Certificate, and all rights thereunder, and hereby does irrevocably
constitute and appoint

- ------------------------------------------------------------------------------

attorney to transfer the within Certificate on the books kept for the
registration thereof, with full power of substitution in the premises.

Optional:

[Insert wire transfer instructions for transferee.] Neither the transferor nor
the Trustee shall have any responsibility for the accuracy of such wire transfer
instructions, if provided.

Dated:
      ------------------


                                       ----------------------------------------
                                       (Signature)

                                       NOTE: Signature must conform in every
                                       particular to the name in which this
                                       security is registered, without any
                                       alteration or change whatsoever.

                                       Signature must be guaranteed by an
                                       "eligible guarantor institution" meeting
                                       the requirements of the Trustee, which
                                       requirements include membership or
                                       participation in STAMP or such other
                                       "signature guarantee program" as may be
                                       determined by the Trustee in addition to,
                                       or in substitution for, STAMP, all in
                                       accordance with the Securities Exchange
                                       Act of 1934.


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